Source: https://git.openldap.org/openldap/openldap MR: 117821 Type: Security Fix Disposition: Backport from https://git.openldap.org/openldap/openldap/-/commit/87df6c19915042430540931d199a39105544a134 ChangeID: d534808c796600ca5994bcda28938d45405bc7b4 Description: CVE-2022-29155 openldap: OpenLDAP SQL injection
Signed-off-by: Hitendra Prajapati <[email protected]> --- .../openldap/openldap/CVE-2022-29155.patch | 277 ++++++++++++++++++ .../openldap/openldap_2.4.57.bb | 2 +- 2 files changed, 278 insertions(+), 1 deletion(-) create mode 100644 meta-oe/recipes-support/openldap/openldap/CVE-2022-29155.patch diff --git a/meta-oe/recipes-support/openldap/openldap/CVE-2022-29155.patch b/meta-oe/recipes-support/openldap/openldap/CVE-2022-29155.patch new file mode 100644 index 000000000..2860b9522 --- /dev/null +++ b/meta-oe/recipes-support/openldap/openldap/CVE-2022-29155.patch @@ -0,0 +1,277 @@ +From 11e136f15085a4bda5701e910988966bed699977 Mon Sep 17 00:00:00 2001 +From: Hitendra Prajapati <[email protected]> +Date: Wed, 18 May 2022 13:57:59 +0530 +Subject: [PATCH] CVE-2022-29155 + +Upstream-Status: Backport [https://git.openldap.org/openldap/openldap/-/commit/87df6c19915042430540931d199a39105544a134] +CVE: CVE-2022-29155 +Signed-off-by: Hitendra Prajapati <[email protected]> + +--- + servers/slapd/back-sql/search.c | 123 +++++++++++++++++++++++++++----- + 1 file changed, 105 insertions(+), 18 deletions(-) + +diff --git a/servers/slapd/back-sql/search.c b/servers/slapd/back-sql/search.c +index bb0f1e2..1770bde 100644 +--- a/servers/slapd/back-sql/search.c ++++ b/servers/slapd/back-sql/search.c +@@ -63,6 +63,38 @@ static void send_paged_response( + ID *lastid ); + #endif /* ! BACKSQL_ARBITRARY_KEY */ + ++/* Look for chars that need to be escaped, return count of them. ++ * If out is non-NULL, copy escape'd val to it. ++ */ ++static int ++backsql_val_escape( Operation *op, struct berval *in, struct berval *out ) ++{ ++ char *ptr, *end; ++ int q = 0; ++ ++ ptr = in->bv_val; ++ end = ptr + in->bv_len; ++ while (ptr < end) { ++ if ( *ptr == '\'' ) ++ q++; ++ ptr++; ++ } ++ if ( q && out ) { ++ char *dst; ++ out->bv_len = in->bv_len + q; ++ out->bv_val = op->o_tmpalloc( out->bv_len + 1, op->o_tmpmemctx ); ++ ptr = in->bv_val; ++ dst = out->bv_val; ++ while (ptr < end ) { ++ if ( *ptr == '\'' ) ++ *dst++ = '\''; ++ *dst++ = *ptr++; ++ } ++ *dst = '\0'; ++ } ++ return q; ++} ++ + static int + backsql_attrlist_add( backsql_srch_info *bsi, AttributeDescription *ad ) + { +@@ -429,6 +461,8 @@ backsql_process_sub_filter( backsql_srch_info *bsi, Filter *f, + backsql_info *bi = (backsql_info *)bsi->bsi_op->o_bd->be_private; + int i; + int casefold = 0; ++ int escaped = 0; ++ struct berval escval, *fvalue; + + if ( !f ) { + return 0; +@@ -462,50 +496,68 @@ backsql_process_sub_filter( backsql_srch_info *bsi, Filter *f, + + BER_BVZERO( &bv ); + if ( f->f_sub_initial.bv_val ) { +- bv.bv_len += f->f_sub_initial.bv_len; ++ bv.bv_len += f->f_sub_initial.bv_len + backsql_val_escape( NULL, &f->f_sub_initial, NULL ); + } + if ( f->f_sub_any != NULL ) { + for ( a = 0; f->f_sub_any[ a ].bv_val != NULL; a++ ) { +- bv.bv_len += f->f_sub_any[ a ].bv_len; ++ bv.bv_len += f->f_sub_any[ a ].bv_len + backsql_val_escape( NULL, &f->f_sub_any[ a ], NULL ); + } + } + if ( f->f_sub_final.bv_val ) { +- bv.bv_len += f->f_sub_final.bv_len; ++ bv.bv_len += f->f_sub_final.bv_len + backsql_val_escape( NULL, &f->f_sub_final, NULL ); + } + bv.bv_len = 2 * bv.bv_len - 1; + bv.bv_val = ch_malloc( bv.bv_len + 1 ); + + s = 0; + if ( !BER_BVISNULL( &f->f_sub_initial ) ) { +- bv.bv_val[ s ] = f->f_sub_initial.bv_val[ 0 ]; +- for ( i = 1; i < f->f_sub_initial.bv_len; i++ ) { ++ fvalue = &f->f_sub_initial; ++ escaped = backsql_val_escape( bsi->bsi_op, fvalue, &escval ); ++ if ( escaped ) ++ fvalue = &escval; ++ bv.bv_val[ s ] = fvalue->bv_val[ 0 ]; ++ for ( i = 1; i < fvalue->bv_len; i++ ) { + bv.bv_val[ s + 2 * i - 1 ] = '%'; +- bv.bv_val[ s + 2 * i ] = f->f_sub_initial.bv_val[ i ]; ++ bv.bv_val[ s + 2 * i ] = fvalue->bv_val[ i ]; + } + bv.bv_val[ s + 2 * i - 1 ] = '%'; + s += 2 * i; ++ if ( escaped ) ++ bsi->bsi_op->o_tmpfree( escval.bv_val, bsi->bsi_op->o_tmpmemctx ); + } + + if ( f->f_sub_any != NULL ) { + for ( a = 0; !BER_BVISNULL( &f->f_sub_any[ a ] ); a++ ) { +- bv.bv_val[ s ] = f->f_sub_any[ a ].bv_val[ 0 ]; +- for ( i = 1; i < f->f_sub_any[ a ].bv_len; i++ ) { ++ fvalue = &f->f_sub_any[ a ]; ++ escaped = backsql_val_escape( bsi->bsi_op, fvalue, &escval ); ++ if ( escaped ) ++ fvalue = &escval; ++ bv.bv_val[ s ] = fvalue->bv_val[ 0 ]; ++ for ( i = 1; i < fvalue->bv_len; i++ ) { + bv.bv_val[ s + 2 * i - 1 ] = '%'; +- bv.bv_val[ s + 2 * i ] = f->f_sub_any[ a ].bv_val[ i ]; ++ bv.bv_val[ s + 2 * i ] = fvalue->bv_val[ i ]; + } + bv.bv_val[ s + 2 * i - 1 ] = '%'; + s += 2 * i; ++ if ( escaped ) ++ bsi->bsi_op->o_tmpfree( escval.bv_val, bsi->bsi_op->o_tmpmemctx ); + } + } + + if ( !BER_BVISNULL( &f->f_sub_final ) ) { +- bv.bv_val[ s ] = f->f_sub_final.bv_val[ 0 ]; +- for ( i = 1; i < f->f_sub_final.bv_len; i++ ) { ++ fvalue = &f->f_sub_final; ++ escaped = backsql_val_escape( bsi->bsi_op, fvalue, &escval ); ++ if ( escaped ) ++ fvalue = &escval; ++ bv.bv_val[ s ] = fvalue->bv_val[ 0 ]; ++ for ( i = 1; i < fvalue->bv_len; i++ ) { + bv.bv_val[ s + 2 * i - 1 ] = '%'; +- bv.bv_val[ s + 2 * i ] = f->f_sub_final.bv_val[ i ]; ++ bv.bv_val[ s + 2 * i ] = fvalue->bv_val[ i ]; + } +- bv.bv_val[ s + 2 * i - 1 ] = '%'; ++ bv.bv_val[ s + 2 * i - 1 ] = '%'; + s += 2 * i; ++ if ( escaped ) ++ bsi->bsi_op->o_tmpfree( escval.bv_val, bsi->bsi_op->o_tmpmemctx ); + } + + bv.bv_val[ s - 1 ] = '\0'; +@@ -561,11 +613,17 @@ backsql_process_sub_filter( backsql_srch_info *bsi, Filter *f, + f->f_sub_initial.bv_val, 0 ); + #endif /* BACKSQL_TRACE */ + ++ fvalue = &f->f_sub_initial; ++ escaped = backsql_val_escape( bsi->bsi_op, fvalue, &escval ); ++ if ( escaped ) ++ fvalue = &escval; + start = bsi->bsi_flt_where.bb_val.bv_len; + backsql_strfcat_x( &bsi->bsi_flt_where, + bsi->bsi_op->o_tmpmemctx, + "b", +- &f->f_sub_initial ); ++ fvalue ); ++ if ( escaped ) ++ bsi->bsi_op->o_tmpfree( escval.bv_val, bsi->bsi_op->o_tmpmemctx ); + if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) { + ldap_pvt_str2upper( &bsi->bsi_flt_where.bb_val.bv_val[ start ] ); + } +@@ -586,12 +644,18 @@ backsql_process_sub_filter( backsql_srch_info *bsi, Filter *f, + i, f->f_sub_any[ i ].bv_val ); + #endif /* BACKSQL_TRACE */ + ++ fvalue = &f->f_sub_any[ i ]; ++ escaped = backsql_val_escape( bsi->bsi_op, fvalue, &escval ); ++ if ( escaped ) ++ fvalue = &escval; + start = bsi->bsi_flt_where.bb_val.bv_len; + backsql_strfcat_x( &bsi->bsi_flt_where, + bsi->bsi_op->o_tmpmemctx, + "bc", +- &f->f_sub_any[ i ], ++ fvalue, + '%' ); ++ if ( escaped ) ++ bsi->bsi_op->o_tmpfree( escval.bv_val, bsi->bsi_op->o_tmpmemctx ); + if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) { + /* + * Note: toupper('%') = '%' +@@ -611,11 +675,17 @@ backsql_process_sub_filter( backsql_srch_info *bsi, Filter *f, + f->f_sub_final.bv_val, 0 ); + #endif /* BACKSQL_TRACE */ + ++ fvalue = &f->f_sub_final; ++ escaped = backsql_val_escape( bsi->bsi_op, fvalue, &escval ); ++ if ( escaped ) ++ fvalue = &escval; + start = bsi->bsi_flt_where.bb_val.bv_len; + backsql_strfcat_x( &bsi->bsi_flt_where, + bsi->bsi_op->o_tmpmemctx, + "b", +- &f->f_sub_final ); ++ fvalue ); ++ if ( escaped ) ++ bsi->bsi_op->o_tmpfree( escval.bv_val, bsi->bsi_op->o_tmpmemctx ); + if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) { + ldap_pvt_str2upper( &bsi->bsi_flt_where.bb_val.bv_val[ start ] ); + } +@@ -1183,6 +1253,8 @@ backsql_process_filter_attr( backsql_srch_info *bsi, Filter *f, backsql_at_map_r + struct berval *filter_value = NULL; + MatchingRule *matching_rule = NULL; + struct berval ordering = BER_BVC("<="); ++ struct berval escval; ++ int escaped = 0; + + Debug( LDAP_DEBUG_TRACE, "==>backsql_process_filter_attr(%s)\n", + at->bam_ad->ad_cname.bv_val, 0, 0 ); +@@ -1237,6 +1309,10 @@ equality_match:; + casefold = 1; + } + ++ escaped = backsql_val_escape( bsi->bsi_op, filter_value, &escval ); ++ if ( escaped ) ++ filter_value = &escval; ++ + /* FIXME: directoryString filtering should use a similar + * approach to deal with non-prettified values like + * " A non prettified value ", by using a LIKE +@@ -1317,6 +1393,10 @@ equality_match:; + casefold = 1; + } + ++ escaped = backsql_val_escape( bsi->bsi_op, filter_value, &escval ); ++ if ( escaped ) ++ filter_value = &escval; ++ + /* + * FIXME: should we uppercase the operands? + */ +@@ -1350,7 +1430,7 @@ equality_match:; + &at->bam_sel_expr, + &ordering, + '\'', +- &f->f_av_value, ++ filter_value, + (ber_len_t)STRLENOF( /* (' */ "')" ), + /* ( */ "')" ); + } +@@ -1374,13 +1454,17 @@ equality_match:; + case LDAP_FILTER_APPROX: + /* we do our best */ + ++ filter_value = &f->f_av_value; ++ escaped = backsql_val_escape( bsi->bsi_op, filter_value, &escval ); ++ if ( escaped ) ++ filter_value = &escval; + /* + * maybe we should check type of at->sel_expr here somehow, + * to know whether upper_func is applicable, but for now + * upper_func stuff is made for Oracle, where UPPER is + * safely applicable to NUMBER etc. + */ +- (void)backsql_process_filter_like( bsi, at, 1, &f->f_av_value ); ++ (void)backsql_process_filter_like( bsi, at, 1, filter_value ); + break; + + default: +@@ -1394,6 +1478,9 @@ equality_match:; + + } + ++ if ( escaped ) ++ bsi->bsi_op->o_tmpfree( escval.bv_val, bsi->bsi_op->o_tmpmemctx ); ++ + Debug( LDAP_DEBUG_TRACE, "<==backsql_process_filter_attr(%s)\n", + at->bam_ad->ad_cname.bv_val, 0, 0 ); + +-- +2.25.1 + diff --git a/meta-oe/recipes-support/openldap/openldap_2.4.57.bb b/meta-oe/recipes-support/openldap/openldap_2.4.57.bb index a282523a3..e3e9caa1b 100644 --- a/meta-oe/recipes-support/openldap/openldap_2.4.57.bb +++ b/meta-oe/recipes-support/openldap/openldap_2.4.57.bb @@ -23,8 +23,8 @@ SRC_URI = "http://www.openldap.org/software/download/OpenLDAP/openldap-release/$ file://thread_stub.patch \ file://openldap-CVE-2015-3276.patch \ file://remove-user-host-pwd-from-version.patch \ + file://CVE-2022-29155.patch \ " - SRC_URI[md5sum] = "e3349456c3a66e5e6155be7ddc3f042c" SRC_URI[sha256sum] = "c7ba47e1e6ecb5b436f3d43281df57abeffa99262141aec822628bc220f6b45a" -- 2.25.1
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