From: Virendra Thakur <virendra.tha...@kpit.com> Add patch to fix CVE-2021-36976
CVE-2021-36976 fix are provided by below mentioned pull request. 1) https://github.com/libarchive/libarchive/pull/1491 2) https://github.com/libarchive/libarchive/pull/1492 3) https://github.com/libarchive/libarchive/pull/1493 Signed-off-by: Virendra Thakur <virendra.tha...@kpit.com> Signed-off-by: virendra thakur <thakur.virendra1...@gmail.com> Signed-off-by: Steve Sakoman <st...@sakoman.com> --- .../libarchive/CVE-2021-36976-1.patch | 321 ++++++++++++++++++ .../libarchive/CVE-2021-36976-2.patch | 121 +++++++ .../libarchive/CVE-2021-36976-3.patch | 93 +++++ .../libarchive/libarchive_3.4.2.bb | 6 +- 4 files changed, 540 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-1.patch create mode 100644 meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-2.patch create mode 100644 meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-3.patch diff --git a/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-1.patch b/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-1.patch new file mode 100644 index 0000000000..fca53fc9b6 --- /dev/null +++ b/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-1.patch @@ -0,0 +1,321 @@ +From 05ebb55896d10a9737dad9ae0303f7f45489ba6f Mon Sep 17 00:00:00 2001 +From: Grzegorz Antoniak <g...@anadoxin.org> +Date: Sat, 13 Feb 2021 09:08:13 +0100 +Subject: [PATCH] RAR5 reader: fixed out of bounds read in some files + +Added more range checks in the bit stream reading functions +(read_bits_16 and read_bits_32) in order to better guard against out of +memory reads. + +This commit contains a test with OSSFuzz sample #30448. + +Upstream-Status: Backport [https://git.launchpad.net/ubuntu/+source/libarchive/plain/debian/patches/CVE-2021-36976-1.patch?h=applied/3.4.3-2ubuntu0.1] +CVE: CVE-2021-36976 +Signed-off-by: Virendra Thakur <virendra.tha...@kpit.com> +--- + Makefile.am | 1 + + libarchive/archive_read_support_format_rar5.c | 108 ++++++++++-------- + libarchive/test/test_read_format_rar5.c | 16 +++ + ...r5_decode_number_out_of_bounds_read.rar.uu | 10 ++ + 4 files changed, 89 insertions(+), 46 deletions(-) + create mode 100644 libarchive/test/test_read_format_rar5_decode_number_out_of_bounds_read.rar.uu + +--- a/Makefile.am ++++ b/Makefile.am +@@ -883,6 +883,7 @@ libarchive_test_EXTRA_DIST=\ + libarchive/test/test_read_format_rar5_arm_filter_on_window_boundary.rar.uu \ + libarchive/test/test_read_format_rar5_different_winsize_on_merge.rar.uu \ + libarchive/test/test_read_format_rar5_block_size_is_too_small.rar.uu \ ++ libarchive/test/test_read_format_rar5_decode_number_out_of_bounds_read.rar.uu \ + libarchive/test/test_read_format_raw.bufr.uu \ + libarchive/test/test_read_format_raw.data.gz.uu \ + libarchive/test/test_read_format_raw.data.Z.uu \ +--- a/libarchive/archive_read_support_format_rar5.c ++++ b/libarchive/archive_read_support_format_rar5.c +@@ -1012,7 +1012,16 @@ static int read_var_sized(struct archive + return ret; + } + +-static int read_bits_32(struct rar5* rar, const uint8_t* p, uint32_t* value) { ++static int read_bits_32(struct archive_read* a, struct rar5* rar, ++ const uint8_t* p, uint32_t* value) ++{ ++ if(rar->bits.in_addr >= rar->cstate.cur_block_size) { ++ archive_set_error(&a->archive, ++ ARCHIVE_ERRNO_PROGRAMMER, ++ "Premature end of stream during extraction of data (#1)"); ++ return ARCHIVE_FATAL; ++ } ++ + uint32_t bits = ((uint32_t) p[rar->bits.in_addr]) << 24; + bits |= p[rar->bits.in_addr + 1] << 16; + bits |= p[rar->bits.in_addr + 2] << 8; +@@ -1023,7 +1032,16 @@ static int read_bits_32(struct rar5* rar + return ARCHIVE_OK; + } + +-static int read_bits_16(struct rar5* rar, const uint8_t* p, uint16_t* value) { ++static int read_bits_16(struct archive_read* a, struct rar5* rar, ++ const uint8_t* p, uint16_t* value) ++{ ++ if(rar->bits.in_addr >= rar->cstate.cur_block_size) { ++ archive_set_error(&a->archive, ++ ARCHIVE_ERRNO_PROGRAMMER, ++ "Premature end of stream during extraction of data (#2)"); ++ return ARCHIVE_FATAL; ++ } ++ + int bits = (int) ((uint32_t) p[rar->bits.in_addr]) << 16; + bits |= (int) p[rar->bits.in_addr + 1] << 8; + bits |= (int) p[rar->bits.in_addr + 2]; +@@ -1039,8 +1057,8 @@ static void skip_bits(struct rar5* rar, + } + + /* n = up to 16 */ +-static int read_consume_bits(struct rar5* rar, const uint8_t* p, int n, +- int* value) ++static int read_consume_bits(struct archive_read* a, struct rar5* rar, ++ const uint8_t* p, int n, int* value) + { + uint16_t v; + int ret, num; +@@ -1051,7 +1069,7 @@ static int read_consume_bits(struct rar5 + return ARCHIVE_FATAL; + } + +- ret = read_bits_16(rar, p, &v); ++ ret = read_bits_16(a, rar, p, &v); + if(ret != ARCHIVE_OK) + return ret; + +@@ -2425,13 +2443,13 @@ static int create_decode_tables(uint8_t* + static int decode_number(struct archive_read* a, struct decode_table* table, + const uint8_t* p, uint16_t* num) + { +- int i, bits, dist; ++ int i, bits, dist, ret; + uint16_t bitfield; + uint32_t pos; + struct rar5* rar = get_context(a); + +- if(ARCHIVE_OK != read_bits_16(rar, p, &bitfield)) { +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = read_bits_16(a, rar, p, &bitfield))) { ++ return ret; + } + + bitfield &= 0xfffe; +@@ -2537,14 +2555,6 @@ static int parse_tables(struct archive_r + for(i = 0; i < HUFF_TABLE_SIZE;) { + uint16_t num; + +- if((rar->bits.in_addr + 6) >= rar->cstate.cur_block_size) { +- /* Truncated data, can't continue. */ +- archive_set_error(&a->archive, +- ARCHIVE_ERRNO_FILE_FORMAT, +- "Truncated data in huffman tables (#2)"); +- return ARCHIVE_FATAL; +- } +- + ret = decode_number(a, &rar->cstate.bd, p, &num); + if(ret != ARCHIVE_OK) { + archive_set_error(&a->archive, +@@ -2561,8 +2571,8 @@ static int parse_tables(struct archive_r + /* 16..17: repeat previous code */ + uint16_t n; + +- if(ARCHIVE_OK != read_bits_16(rar, p, &n)) +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = read_bits_16(a, rar, p, &n))) ++ return ret; + + if(num == 16) { + n >>= 13; +@@ -2590,8 +2600,8 @@ static int parse_tables(struct archive_r + /* other codes: fill with zeroes `n` times */ + uint16_t n; + +- if(ARCHIVE_OK != read_bits_16(rar, p, &n)) +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = read_bits_16(a, rar, p, &n))) ++ return ret; + + if(num == 18) { + n >>= 13; +@@ -2707,22 +2717,22 @@ static int parse_block_header(struct arc + } + + /* Convenience function used during filter processing. */ +-static int parse_filter_data(struct rar5* rar, const uint8_t* p, +- uint32_t* filter_data) ++static int parse_filter_data(struct archive_read* a, struct rar5* rar, ++ const uint8_t* p, uint32_t* filter_data) + { +- int i, bytes; ++ int i, bytes, ret; + uint32_t data = 0; + +- if(ARCHIVE_OK != read_consume_bits(rar, p, 2, &bytes)) +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = read_consume_bits(a, rar, p, 2, &bytes))) ++ return ret; + + bytes++; + + for(i = 0; i < bytes; i++) { + uint16_t byte; + +- if(ARCHIVE_OK != read_bits_16(rar, p, &byte)) { +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = read_bits_16(a, rar, p, &byte))) { ++ return ret; + } + + /* Cast to uint32_t will ensure the shift operation will not +@@ -2765,16 +2775,17 @@ static int parse_filter(struct archive_r + uint16_t filter_type; + struct filter_info* filt = NULL; + struct rar5* rar = get_context(ar); ++ int ret; + + /* Read the parameters from the input stream. */ +- if(ARCHIVE_OK != parse_filter_data(rar, p, &block_start)) +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = parse_filter_data(ar, rar, p, &block_start))) ++ return ret; + +- if(ARCHIVE_OK != parse_filter_data(rar, p, &block_length)) +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = parse_filter_data(ar, rar, p, &block_length))) ++ return ret; + +- if(ARCHIVE_OK != read_bits_16(rar, p, &filter_type)) +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = read_bits_16(ar, rar, p, &filter_type))) ++ return ret; + + filter_type >>= 13; + skip_bits(rar, 3); +@@ -2814,8 +2825,8 @@ static int parse_filter(struct archive_r + if(filter_type == FILTER_DELTA) { + int channels; + +- if(ARCHIVE_OK != read_consume_bits(rar, p, 5, &channels)) +- return ARCHIVE_EOF; ++ if(ARCHIVE_OK != (ret = read_consume_bits(ar, rar, p, 5, &channels))) ++ return ret; + + filt->channels = channels + 1; + } +@@ -2823,10 +2834,11 @@ static int parse_filter(struct archive_r + return ARCHIVE_OK; + } + +-static int decode_code_length(struct rar5* rar, const uint8_t* p, +- uint16_t code) ++static int decode_code_length(struct archive_read* a, struct rar5* rar, ++ const uint8_t* p, uint16_t code) + { + int lbits, length = 2; ++ + if(code < 8) { + lbits = 0; + length += code; +@@ -2838,7 +2850,7 @@ static int decode_code_length(struct rar + if(lbits > 0) { + int add; + +- if(ARCHIVE_OK != read_consume_bits(rar, p, lbits, &add)) ++ if(ARCHIVE_OK != read_consume_bits(a, rar, p, lbits, &add)) + return -1; + + length += add; +@@ -2933,7 +2945,7 @@ static int do_uncompress_block(struct ar + continue; + } else if(num >= 262) { + uint16_t dist_slot; +- int len = decode_code_length(rar, p, num - 262), ++ int len = decode_code_length(a, rar, p, num - 262), + dbits, + dist = 1; + +@@ -2975,12 +2987,12 @@ static int do_uncompress_block(struct ar + uint16_t low_dist; + + if(dbits > 4) { +- if(ARCHIVE_OK != read_bits_32( +- rar, p, &add)) { ++ if(ARCHIVE_OK != (ret = read_bits_32( ++ a, rar, p, &add))) { + /* Return EOF if we + * can't read more + * data. */ +- return ARCHIVE_EOF; ++ return ret; + } + + skip_bits(rar, dbits - 4); +@@ -3015,11 +3027,11 @@ static int do_uncompress_block(struct ar + /* dbits is one of [0,1,2,3] */ + int add; + +- if(ARCHIVE_OK != read_consume_bits(rar, +- p, dbits, &add)) { ++ if(ARCHIVE_OK != (ret = read_consume_bits(a, rar, ++ p, dbits, &add))) { + /* Return EOF if we can't read + * more data. */ +- return ARCHIVE_EOF; ++ return ret; + } + + dist += add; +@@ -3076,7 +3088,11 @@ static int do_uncompress_block(struct ar + return ARCHIVE_FATAL; + } + +- len = decode_code_length(rar, p, len_slot); ++ len = decode_code_length(a, rar, p, len_slot); ++ if (len == -1) { ++ return ARCHIVE_FATAL; ++ } ++ + rar->cstate.last_len = len; + + if(ARCHIVE_OK != copy_string(a, len, dist)) +--- a/libarchive/test/test_read_format_rar5.c ++++ b/libarchive/test/test_read_format_rar5.c +@@ -1271,3 +1271,20 @@ DEFINE_TEST(test_read_format_rar5_block_ + + EPILOGUE(); + } ++ ++DEFINE_TEST(test_read_format_rar5_decode_number_out_of_bounds_read) ++{ ++ /* oss fuzz 30448 */ ++ ++ char buf[4096]; ++ PROLOGUE("test_read_format_rar5_decode_number_out_of_bounds_read.rar"); ++ ++ /* Return codes of those calls are ignored, because this sample file ++ * is invalid. However, the unpacker shouldn't produce any SIGSEGV ++ * errors during processing. */ ++ ++ (void) archive_read_next_header(a, &ae); ++ while(0 < archive_read_data(a, buf, sizeof(buf))) {} ++ ++ EPILOGUE(); ++} +--- /dev/null ++++ b/libarchive/test/test_read_format_rar5_decode_number_out_of_bounds_read.rar.uu +@@ -0,0 +1,10 @@ ++begin 644 test_read_format_rar5_decode_number_out_of_bounds_read.rar ++M4F%R(1H'`0!3@"KT`P+G(@(0("`@@`L!!"`@("`@(($D_[BJ2"!::7!)210V ++M+0#ZF#)Q!`+>YPW_("`@("``_R````````````````````````````!__P`` ++M``````!T72`@/EW_(/\@("`@("`@("`@("`@("`@("`@("`@("`@(/\@("`@ ++M("`@("#_("`@("`@("`@("`@("`@("`@("`@("`@("#_("`@("`@("`@_R`@ ++M("`@("`@("`@("`@("`@("`@("`@("`@_R`@("`@("`@(/\@("`@("`@("`@ ++M("`@("`@("`@("`@("`@(/\@("`@("`@("#_("`@("`@("`@("`@("`@("`@ ++E("`@("`@("#_("`@("`@("`@_R`@("`@("`@("`@("`@("`@(``` ++` ++end diff --git a/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-2.patch b/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-2.patch new file mode 100644 index 0000000000..b5da44ec7b --- /dev/null +++ b/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-2.patch @@ -0,0 +1,121 @@ +From 17f4e83c0f0fc3bacf4b2bbacb01f987bb5aff5f Mon Sep 17 00:00:00 2001 +From: Grzegorz Antoniak <g...@anadoxin.org> +Date: Fri, 12 Feb 2021 20:18:31 +0100 +Subject: [PATCH] RAR5 reader: fix invalid memory access in some files + +RAR5 reader uses several variables to manage the window buffer during +extraction: the buffer itself (`window_buf`), the current size of the +window buffer (`window_size`), and a helper variable (`window_mask`) +that is used to constrain read and write offsets to the window buffer. + +Some specially crafted files can force the unpacker to update the +`window_mask` variable to a value that is out of sync with current +buffer size. If the `window_mask` will be bigger than the actual buffer +size, then an invalid access operation can happen (SIGSEGV). + +This commit ensures that if the `window_size` and `window_mask` will be +changed, the window buffer will be reallocated to the proper size, so no +invalid memory operation should be possible. + +This commit contains a test file from OSSFuzz #30442. + +Upstream-Status: Backport [https://git.launchpad.net/ubuntu/+source/libarchive/plain/debian/patches/CVE-2021-36976-2.patch?h=applied/3.4.3-2ubuntu0.1] +CVE: CVE-2021-36976 +Signed-off-by: Virendra Thakur <virendra.tha...@kpit.com> + +--- + Makefile.am | 1 + + libarchive/archive_read_support_format_rar5.c | 27 ++++++++++++++----- + libarchive/test/test_read_format_rar5.c | 17 ++++++++++++ + ...mat_rar5_window_buf_and_size_desync.rar.uu | 11 ++++++++ + 4 files changed, 50 insertions(+), 6 deletions(-) + create mode 100644 libarchive/test/test_read_format_rar5_window_buf_and_size_desync.rar.uu + +--- a/Makefile.am ++++ b/Makefile.am +@@ -884,6 +884,7 @@ libarchive_test_EXTRA_DIST=\ + libarchive/test/test_read_format_rar5_different_winsize_on_merge.rar.uu \ + libarchive/test/test_read_format_rar5_block_size_is_too_small.rar.uu \ + libarchive/test/test_read_format_rar5_decode_number_out_of_bounds_read.rar.uu \ ++ libarchive/test/test_read_format_rar5_window_buf_and_size_desync.rar.uu \ + libarchive/test/test_read_format_raw.bufr.uu \ + libarchive/test/test_read_format_raw.data.gz.uu \ + libarchive/test/test_read_format_raw.data.Z.uu \ +--- a/libarchive/archive_read_support_format_rar5.c ++++ b/libarchive/archive_read_support_format_rar5.c +@@ -1730,14 +1730,29 @@ static int process_head_file(struct arch + } + } + +- /* If we're currently switching volumes, ignore the new definition of +- * window_size. */ +- if(rar->cstate.switch_multivolume == 0) { +- /* Values up to 64M should fit into ssize_t on every +- * architecture. */ +- rar->cstate.window_size = (ssize_t) window_size; ++ if(rar->cstate.window_size < (ssize_t) window_size && ++ rar->cstate.window_buf) ++ { ++ /* If window_buf has been allocated before, reallocate it, so ++ * that its size will match new window_size. */ ++ ++ uint8_t* new_window_buf = ++ realloc(rar->cstate.window_buf, window_size); ++ ++ if(!new_window_buf) { ++ archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER, ++ "Not enough memory when trying to realloc the window " ++ "buffer."); ++ return ARCHIVE_FATAL; ++ } ++ ++ rar->cstate.window_buf = new_window_buf; + } + ++ /* Values up to 64M should fit into ssize_t on every ++ * architecture. */ ++ rar->cstate.window_size = (ssize_t) window_size; ++ + if(rar->file.solid > 0 && rar->file.solid_window_size == 0) { + /* Solid files have to have the same window_size across + whole archive. Remember the window_size parameter +--- a/libarchive/test/test_read_format_rar5.c ++++ b/libarchive/test/test_read_format_rar5.c +@@ -1206,6 +1206,23 @@ DEFINE_TEST(test_read_format_rar5_differ + EPILOGUE(); + } + ++DEFINE_TEST(test_read_format_rar5_window_buf_and_size_desync) ++{ ++ /* oss fuzz 30442 */ ++ ++ char buf[4096]; ++ PROLOGUE("test_read_format_rar5_window_buf_and_size_desync.rar"); ++ ++ /* Return codes of those calls are ignored, because this sample file ++ * is invalid. However, the unpacker shouldn't produce any SIGSEGV ++ * errors during processing. */ ++ ++ (void) archive_read_next_header(a, &ae); ++ while(0 < archive_read_data(a, buf, 46)) {} ++ ++ EPILOGUE(); ++} ++ + DEFINE_TEST(test_read_format_rar5_arm_filter_on_window_boundary) + { + char buf[4096]; +--- /dev/null ++++ b/libarchive/test/test_read_format_rar5_window_buf_and_size_desync.rar.uu +@@ -0,0 +1,11 @@ ++begin 644 test_read_format_rar5_window_buf_and_size_desync.rar ++M4F%R(1H'`0`]/-[E`@$`_P$`1#[Z5P("`PL``BXB"?\`!(@B@0`)6.-AF?_1 ++M^0DI&0GG(F%R(0<:)`!3@"KT`P+G(@O_X[\``#&``(?!!0$$[:L``$.M*E)A ++M<B$`O<\>P0";/P1%``A*2DI*2DYQ<6TN9'%*2DI*2DI*``!D<F--``````"Z ++MNC*ZNKJZNFYO=&%I;+JZNKJZNKJZOKJZ.KJZNKJZNKKZU@4%````0$!`0$!` ++M0$!`0$!`0$!`0$#_________/T#`0$!`0$!`-UM`0$!`0$!`0$!`0$!`0$!` ++M0$!`0'!,J+:O!IZ-WN4'@`!3*F0````````````````````````````````` ++M``````````````#T`P)287(A&@<!`%.`*O0#`N<B`_,F@`'[__\``(`4`01S ++J'`/H/O\H@?\D`#O9GIZ>GN<B"_]%``(``&1RGIZ>GIZ>8_^>GE/_``!. ++` ++end diff --git a/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-3.patch b/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-3.patch new file mode 100644 index 0000000000..0e1549f229 --- /dev/null +++ b/meta/recipes-extended/libarchive/libarchive/CVE-2021-36976-3.patch @@ -0,0 +1,93 @@ +From 313bcd7ac547f7cc25945831f63507420c0874d7 Mon Sep 17 00:00:00 2001 +From: Grzegorz Antoniak <g...@anadoxin.org> +Date: Sat, 13 Feb 2021 10:13:22 +0100 +Subject: [PATCH] RAR5 reader: add more checks for invalid extraction + parameters + +Some specially crafted files declare invalid extraction parameters that +can confuse the RAR5 reader. + +One of the arguments is the declared window size parameter that the +archive file can declare for each file stored in the archive. Some +crafted files declare window size equal to 0, which is clearly wrong. + +This commit adds additional safety checks decreasing the tolerance of +the RAR5 format. + +This commit also contains OSSFuzz sample #30459. +--- + Makefile.am | 1 + + libarchive/archive_read_support_format_rar5.c | 10 ++++++++++ + libarchive/test/test_read_format_rar5.c | 19 +++++++++++++++++++ + ...t_rar5_bad_window_sz_in_mltarc_file.rar.uu | 7 +++++++ + 4 files changed, 37 insertions(+) + create mode 100644 libarchive/test/test_read_format_rar5_bad_window_sz_in_mltarc_file.rar.uu + +Upstream-Status: Backport [https://github.com/libarchive/libarchive/pull/1493/commits/313bcd7ac547f7cc25945831f63507420c0874d7] +CVE: CVE-2021-36976 +Signed-off-by: Virendra Thakur <virendra.tha...@kpit.com> + +--- libarchive-3.4.2.orig/Makefile.am ++++ libarchive-3.4.2/Makefile.am +@@ -882,6 +882,7 @@ libarchive_test_EXTRA_DIST=\ + libarchive/test/test_read_format_rar5_block_size_is_too_small.rar.uu \ + libarchive/test/test_read_format_rar5_decode_number_out_of_bounds_read.rar.uu \ + libarchive/test/test_read_format_rar5_window_buf_and_size_desync.rar.uu \ ++ libarchive/test/test_read_format_rar5_bad_window_sz_in_mltarc_file.rar.uu \ + libarchive/test/test_read_format_raw.bufr.uu \ + libarchive/test/test_read_format_raw.data.gz.uu \ + libarchive/test/test_read_format_raw.data.Z.uu \ +--- libarchive-3.4.2.orig/libarchive/archive_read_support_format_rar5.c ++++ libarchive-3.4.2/libarchive/archive_read_support_format_rar5.c +@@ -3637,6 +3637,16 @@ static int do_uncompress_file(struct arc + rar->cstate.initialized = 1; + } + ++ /* Don't allow extraction if window_size is invalid. */ ++ if(rar->cstate.window_size == 0) { ++ archive_set_error(&a->archive, ++ ARCHIVE_ERRNO_FILE_FORMAT, ++ "Invalid window size declaration in this file"); ++ ++ /* This should never happen in valid files. */ ++ return ARCHIVE_FATAL; ++ } ++ + if(rar->cstate.all_filters_applied == 1) { + /* We use while(1) here, but standard case allows for just 1 + * iteration. The loop will iterate if process_block() didn't +--- libarchive-3.4.2.orig/libarchive/test/test_read_format_rar5.c ++++ libarchive-3.4.2/libarchive/test/test_read_format_rar5.c +@@ -1305,3 +1305,22 @@ DEFINE_TEST(test_read_format_rar5_decode + + EPILOGUE(); + } ++ ++DEFINE_TEST(test_read_format_rar5_bad_window_size_in_multiarchive_file) ++{ ++ /* oss fuzz 30459 */ ++ ++ char buf[4096]; ++ PROLOGUE("test_read_format_rar5_bad_window_sz_in_mltarc_file.rar"); ++ ++ /* This file is damaged, so those functions should return failure. ++ * Additionally, SIGSEGV shouldn't be raised during execution ++ * of those functions. */ ++ ++ (void) archive_read_next_header(a, &ae); ++ while(0 < archive_read_data(a, buf, sizeof(buf))) {} ++ (void) archive_read_next_header(a, &ae); ++ while(0 < archive_read_data(a, buf, sizeof(buf))) {} ++ ++ EPILOGUE(); ++} +--- /dev/null ++++ libarchive-3.4.2/libarchive/test/test_read_format_rar5_bad_window_sz_in_mltarc_file.rar.uu +@@ -0,0 +1,7 @@ ++begin 644 test_read_format_rar5_bad_window_size_in_multiarchive_file.rar ++M4F%R(1H'`0`]/-[E`@$`_R`@1#[Z5P("`PL`("`@@"(`"?\@("#___\@("`@ ++M("`@("`@("`@4X`J]`,"YR(#$($@("`@``$@("`@@<L0("`@("`@("`@("`@ ++M("`@(""LCTJA`P$%`B`@`2!3@"KT`P+G(@,@("`@_P,!!B`@(/___R`@(('+ ++5$"`OX2`@[.SL[.S_("`@("`@("`@ ++` ++end diff --git a/meta/recipes-extended/libarchive/libarchive_3.4.2.bb b/meta/recipes-extended/libarchive/libarchive_3.4.2.bb index 0ab40fc096..b7426a1be8 100644 --- a/meta/recipes-extended/libarchive/libarchive_3.4.2.bb +++ b/meta/recipes-extended/libarchive/libarchive_3.4.2.bb @@ -32,7 +32,11 @@ PACKAGECONFIG[mbedtls] = "--with-mbedtls,--without-mbedtls,mbedtls," EXTRA_OECONF += "--enable-largefile" -SRC_URI = "http://libarchive.org/downloads/libarchive-${PV}.tar.gz"; +SRC_URI = "http://libarchive.org/downloads/libarchive-${PV}.tar.gz \ + file://CVE-2021-36976-1.patch \ + file://CVE-2021-36976-2.patch \ + file://CVE-2021-36976-3.patch \ +" SRC_URI[md5sum] = "d953ed6b47694dadf0e6042f8f9ff451" SRC_URI[sha256sum] = "b60d58d12632ecf1e8fad7316dc82c6b9738a35625746b47ecdcaf4aed176176" -- 2.25.1
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