From: Anatol Belski <[email protected]> Affects bzip2 <= 1.0.6
Upstream-Status: Accepted Upstream patch https://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc Signed-off-by: Anatol Belski <[email protected]> --- .../bzip2/bzip2-1.0.6/CVE-2019-12900.patch | 32 +++++++++++++++++++ meta/recipes-extended/bzip2/bzip2_1.0.6.bb | 3 +- 2 files changed, 34 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch diff --git a/meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch b/meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch new file mode 100644 index 0000000000..9213a713d0 --- /dev/null +++ b/meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch @@ -0,0 +1,32 @@ +From 74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc Mon Sep 17 00:00:00 2001 +From: Albert Astals Cid <[email protected]> +Date: Tue, 28 May 2019 19:35:18 +0200 +Subject: [PATCH] Make sure nSelectors is not out of range + +nSelectors is used in a loop from 0 to nSelectors to access selectorMtf +which is + UChar selectorMtf[BZ_MAX_SELECTORS]; +so if nSelectors is bigger than BZ_MAX_SELECTORS it'll do an invalid memory +access + +Fixes out of bounds access discovered while fuzzying karchive +--- + decompress.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/decompress.c b/decompress.c +index ab6a624..f3db91d 100644 +--- a/decompress.c ++++ b/decompress.c +@@ -287,7 +287,7 @@ Int32 BZ2_decompress ( DState* s ) + GET_BITS(BZ_X_SELECTOR_1, nGroups, 3); + if (nGroups < 2 || nGroups > 6) RETURN(BZ_DATA_ERROR); + GET_BITS(BZ_X_SELECTOR_2, nSelectors, 15); +- if (nSelectors < 1) RETURN(BZ_DATA_ERROR); ++ if (nSelectors < 1 || nSelectors > BZ_MAX_SELECTORS) RETURN(BZ_DATA_ERROR); + for (i = 0; i < nSelectors; i++) { + j = 0; + while (True) { +-- +2.21.0 + diff --git a/meta/recipes-extended/bzip2/bzip2_1.0.6.bb b/meta/recipes-extended/bzip2/bzip2_1.0.6.bb index acbf80a685..16948bb902 100644 --- a/meta/recipes-extended/bzip2/bzip2_1.0.6.bb +++ b/meta/recipes-extended/bzip2/bzip2_1.0.6.bb @@ -6,7 +6,7 @@ HOMEPAGE = "https://sourceware.org/bzip2/"; SECTION = "console/utils" LICENSE = "bzip2" LIC_FILES_CHKSUM = "file://LICENSE;beginline=8;endline=37;md5=40d9d1eb05736d1bfc86cfdd9106e6b2" -PR = "r5" +PR = "r6" SRC_URI = "http://downloads.yoctoproject.org/mirror/sources/${BP}.tar.gz \ file://fix-bunzip2-qt-returns-0-for-corrupt-archives.patch \ @@ -14,6 +14,7 @@ SRC_URI = "http://downloads.yoctoproject.org/mirror/sources/${BP}.tar.gz \ file://Makefile.am;subdir=${BP} \ file://run-ptest \ file://CVE-2016-3189.patch \ + file://CVE-2019-12900.patch \ " SRC_URI[md5sum] = "00b516f4704d4a7cb50a1d97e6e8e15b" -- 2.17.1 -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
