diff options
Diffstat (limited to 'meta/recipes-support/libpcre')
-rw-r--r-- | meta/recipes-support/libpcre/libpcre2/libpcre2-CVE-2017-7186.patch | 96 | ||||
-rw-r--r-- | meta/recipes-support/libpcre/libpcre2/libpcre2-CVE-2017-8786.patch | 93 | ||||
-rw-r--r-- | meta/recipes-support/libpcre/libpcre2_10.30.bb (renamed from meta/recipes-support/libpcre/libpcre2_10.23.bb) | 8 |
3 files changed, 3 insertions, 194 deletions
diff --git a/meta/recipes-support/libpcre/libpcre2/libpcre2-CVE-2017-7186.patch b/meta/recipes-support/libpcre/libpcre2/libpcre2-CVE-2017-7186.patch deleted file mode 100644 index bfa3bfeec9..0000000000 --- a/meta/recipes-support/libpcre/libpcre2/libpcre2-CVE-2017-7186.patch +++ /dev/null @@ -1,96 +0,0 @@ -libpcre2-10.23: Fix CVE-2017-7186 - -A fuzz on libpcre1 through the pcretest utility revealed an invalid read in the -library. For who is interested in a detailed description of the bug, will -follow a feedback from upstream: - -This was a genuine bug in the 32-bit library. Thanks for finding it. The crash -was caused by trying to find a Unicode property for a code value greater than -0x10ffff, the Unicode maximum, when running in non-UTF mode (where character -values can be up to 0xffffffff). - -The complete ASan output: - -# pcretest -32 -d $FILE -==14788==ERROR: AddressSanitizer: SEGV on unknown address 0x7f1bbffed4df (pc 0x7f1bbee3fe6b bp 0x7fff8b50d8c0 sp 0x7fff8b50d3a0 T0) -==14788==The signal is caused by a READ memory access. - #0 0x7f1bbee3fe6a in match /tmp/portage/dev-libs/libpcre-8.40/work/pcre-8.40/pcre_exec.c:5473:18 - #1 0x7f1bbee09226 in pcre32_exec /tmp/portage/dev-libs/libpcre-8.40/work/pcre-8.40/pcre_exec.c:6936:8 - #2 0x527d6c in main /tmp/portage/dev-libs/libpcre-8.40/work/pcre-8.40/pcretest.c:5218:9 - #3 0x7f1bbddd678f in __libc_start_main /tmp/portage/sys-libs/glibc-2.23-r3/work/glibc-2.23/csu/../csu/libc-start.c:289 - #4 0x41b438 in _init (/usr/bin/pcretest+0x41b438) - -AddressSanitizer can not provide additional info. -SUMMARY: AddressSanitizer: SEGV /tmp/portage/dev-libs/libpcre-8.40/work/pcre-8.40/pcre_exec.c:5473:18 in match -==14788==ABORTING - -Upstream-Status: Backport [https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?view=patch&r1=316&r2=670&sortby=date \ - https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?view=patch&r1=600&r2=670&sortby=date] -CVE: CVE-2017-7186 - -Signed-off-by: Robert Yang <liezhi.yang@windriver.com> - ---- trunk/src/pcre2_ucd.c 2015/07/17 15:44:51 316 -+++ trunk/src/pcre2_ucd.c 2017/02/24 18:25:32 670 -@@ -41,6 +41,20 @@ - - const char *PRIV(unicode_version) = "8.0.0"; - -+/* If the 32-bit library is run in non-32-bit mode, character values -+greater than 0x10ffff may be encountered. For these we set up a -+special record. */ -+ -+#if PCRE2_CODE_UNIT_WIDTH == 32 -+const ucd_record PRIV(dummy_ucd_record)[] = {{ -+ ucp_Common, /* script */ -+ ucp_Cn, /* type unassigned */ -+ ucp_gbOther, /* grapheme break property */ -+ 0, /* case set */ -+ 0, /* other case */ -+ }}; -+#endif -+ - /* When recompiling tables with a new Unicode version, please check the - types in this structure definition from pcre2_internal.h (the actual - field names will be different): ---- trunk/src/pcre2_internal.h 2016/11/19 12:46:24 600 -+++ trunk/src/pcre2_internal.h 2017/02/24 18:25:32 670 -@@ -1774,10 +1774,17 @@ - /* UCD access macros */ - - #define UCD_BLOCK_SIZE 128 --#define GET_UCD(ch) (PRIV(ucd_records) + \ -+#define REAL_GET_UCD(ch) (PRIV(ucd_records) + \ - PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \ - UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE]) - -+#if PCRE2_CODE_UNIT_WIDTH == 32 -+#define GET_UCD(ch) ((ch > MAX_UTF_CODE_POINT)? \ -+ PRIV(dummy_ucd_record) : REAL_GET_UCD(ch)) -+#else -+#define GET_UCD(ch) REAL_GET_UCD(ch) -+#endif -+ - #define UCD_CHARTYPE(ch) GET_UCD(ch)->chartype - #define UCD_SCRIPT(ch) GET_UCD(ch)->script - #define UCD_CATEGORY(ch) PRIV(ucp_gentype)[UCD_CHARTYPE(ch)] -@@ -1834,6 +1841,9 @@ - #define _pcre2_default_compile_context PCRE2_SUFFIX(_pcre2_default_compile_context_) - #define _pcre2_default_match_context PCRE2_SUFFIX(_pcre2_default_match_context_) - #define _pcre2_default_tables PCRE2_SUFFIX(_pcre2_default_tables_) -+#if PCRE2_CODE_UNIT_WIDTH == 32 -+#define _pcre2_dummy_ucd_record PCRE2_SUFFIX(_pcre2_dummy_ucd_record_) -+#endif - #define _pcre2_hspace_list PCRE2_SUFFIX(_pcre2_hspace_list_) - #define _pcre2_vspace_list PCRE2_SUFFIX(_pcre2_vspace_list_) - #define _pcre2_ucd_caseless_sets PCRE2_SUFFIX(_pcre2_ucd_caseless_sets_) -@@ -1858,6 +1868,9 @@ - extern const uint32_t PRIV(vspace_list)[]; - extern const uint32_t PRIV(ucd_caseless_sets)[]; - extern const ucd_record PRIV(ucd_records)[]; -+#if PCRE2_CODE_UNIT_WIDTH == 32 -+extern const ucd_record PRIV(dummy_ucd_record)[]; -+#endif - extern const uint8_t PRIV(ucd_stage1)[]; - extern const uint16_t PRIV(ucd_stage2)[]; - extern const uint32_t PRIV(ucp_gbtable)[]; diff --git a/meta/recipes-support/libpcre/libpcre2/libpcre2-CVE-2017-8786.patch b/meta/recipes-support/libpcre/libpcre2/libpcre2-CVE-2017-8786.patch deleted file mode 100644 index eafafc1f69..0000000000 --- a/meta/recipes-support/libpcre/libpcre2/libpcre2-CVE-2017-8786.patch +++ /dev/null @@ -1,93 +0,0 @@ -libpcre2-10.23: Fix CVE-2017-8786 - -The pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of -service (heap-based buffer overflow) or possibly have unspecified other impact -via a crafted regular expression. - -Upstream-Status: Backport [https://vcs.pcre.org/pcre2/code/trunk/src/pcre2test.c?r1=692&r2=697&view=patch] -CVE: CVE-2017-8786 - -Signed-off-by: Robert Yang <liezhi.yang@windriver.com> - ---- trunk/src/pcre2test.c 2017/03/21 16:18:54 692 -+++ trunk/src/pcre2test.c 2017/03/21 18:36:13 697 -@@ -1017,9 +1017,9 @@ - if (test_mode == PCRE8_MODE) \ - r = pcre2_get_error_message_8(a,G(b,8),G(G(b,8),_size)); \ - else if (test_mode == PCRE16_MODE) \ -- r = pcre2_get_error_message_16(a,G(b,16),G(G(b,16),_size)); \ -+ r = pcre2_get_error_message_16(a,G(b,16),G(G(b,16),_size/2)); \ - else \ -- r = pcre2_get_error_message_32(a,G(b,32),G(G(b,32),_size)) -+ r = pcre2_get_error_message_32(a,G(b,32),G(G(b,32),_size/4)) - - #define PCRE2_GET_OVECTOR_COUNT(a,b) \ - if (test_mode == PCRE8_MODE) \ -@@ -1399,6 +1399,9 @@ - - /* ----- Common macros for two-mode cases ----- */ - -+#define BYTEONE (BITONE/8) -+#define BYTETWO (BITTWO/8) -+ - #define CASTFLD(t,a,b) \ - ((test_mode == G(G(PCRE,BITONE),_MODE))? (t)(G(a,BITONE)->b) : \ - (t)(G(a,BITTWO)->b)) -@@ -1481,9 +1484,9 @@ - - #define PCRE2_GET_ERROR_MESSAGE(r,a,b) \ - if (test_mode == G(G(PCRE,BITONE),_MODE)) \ -- r = G(pcre2_get_error_message_,BITONE)(a,G(b,BITONE),G(G(b,BITONE),_size)); \ -+ r = G(pcre2_get_error_message_,BITONE)(a,G(b,BITONE),G(G(b,BITONE),_size/BYTEONE)); \ - else \ -- r = G(pcre2_get_error_message_,BITTWO)(a,G(b,BITTWO),G(G(b,BITTWO),_size)) -+ r = G(pcre2_get_error_message_,BITTWO)(a,G(b,BITTWO),G(G(b,BITTWO),_size/BYTETWO)) - - #define PCRE2_GET_OVECTOR_COUNT(a,b) \ - if (test_mode == G(G(PCRE,BITONE),_MODE)) \ -@@ -1904,7 +1907,7 @@ - #define PCRE2_DFA_MATCH(a,b,c,d,e,f,g,h,i,j) \ - a = pcre2_dfa_match_16(G(b,16),(PCRE2_SPTR16)c,d,e,f,G(g,16),h,i,j) - #define PCRE2_GET_ERROR_MESSAGE(r,a,b) \ -- r = pcre2_get_error_message_16(a,G(b,16),G(G(b,16),_size)) -+ r = pcre2_get_error_message_16(a,G(b,16),G(G(b,16),_size/2)) - #define PCRE2_GET_OVECTOR_COUNT(a,b) a = pcre2_get_ovector_count_16(G(b,16)) - #define PCRE2_GET_STARTCHAR(a,b) a = pcre2_get_startchar_16(G(b,16)) - #define PCRE2_JIT_COMPILE(r,a,b) r = pcre2_jit_compile_16(G(a,16),b) -@@ -2000,7 +2003,7 @@ - #define PCRE2_DFA_MATCH(a,b,c,d,e,f,g,h,i,j) \ - a = pcre2_dfa_match_32(G(b,32),(PCRE2_SPTR32)c,d,e,f,G(g,32),h,i,j) - #define PCRE2_GET_ERROR_MESSAGE(r,a,b) \ -- r = pcre2_get_error_message_32(a,G(b,32),G(G(b,32),_size)) -+ r = pcre2_get_error_message_32(a,G(b,32),G(G(b,32),_size/4)) - #define PCRE2_GET_OVECTOR_COUNT(a,b) a = pcre2_get_ovector_count_32(G(b,32)) - #define PCRE2_GET_STARTCHAR(a,b) a = pcre2_get_startchar_32(G(b,32)) - #define PCRE2_JIT_COMPILE(r,a,b) r = pcre2_jit_compile_32(G(a,32),b) -@@ -2889,7 +2892,7 @@ - { - if (pbuffer32 != NULL) free(pbuffer32); - pbuffer32_size = 4*len + 4; -- if (pbuffer32_size < 256) pbuffer32_size = 256; -+ if (pbuffer32_size < 512) pbuffer32_size = 512; - pbuffer32 = (uint32_t *)malloc(pbuffer32_size); - if (pbuffer32 == NULL) - { -@@ -7600,7 +7603,8 @@ - int errcode; - char *endptr; - --/* Ensure the relevant non-8-bit buffer is available. */ -+/* Ensure the relevant non-8-bit buffer is available. Ensure that it is at -+least 128 code units, because it is used for retrieving error messages. */ - - #ifdef SUPPORT_PCRE2_16 - if (test_mode == PCRE16_MODE) -@@ -7620,7 +7624,7 @@ - #ifdef SUPPORT_PCRE2_32 - if (test_mode == PCRE32_MODE) - { -- pbuffer32_size = 256; -+ pbuffer32_size = 512; - pbuffer32 = (uint32_t *)malloc(pbuffer32_size); - if (pbuffer32 == NULL) - { diff --git a/meta/recipes-support/libpcre/libpcre2_10.23.bb b/meta/recipes-support/libpcre/libpcre2_10.30.bb index ca2b028e1c..a7df055906 100644 --- a/meta/recipes-support/libpcre/libpcre2_10.23.bb +++ b/meta/recipes-support/libpcre/libpcre2_10.30.bb @@ -8,16 +8,14 @@ SUMMARY = "Perl Compatible Regular Expressions version 2" HOMEPAGE = "http://www.pcre.org" SECTION = "devel" LICENSE = "BSD" -LIC_FILES_CHKSUM = "file://LICENCE;md5=3de34df49e1fe3c3b59a08dff214488b" +LIC_FILES_CHKSUM = "file://LICENCE;md5=12d55e15a0c6da5c645ba40382bd3293" SRC_URI = "https://ftp.pcre.org/pub/pcre/pcre2-${PV}.tar.bz2 \ file://pcre-cross.patch \ - file://libpcre2-CVE-2017-8786.patch \ - file://libpcre2-CVE-2017-7186.patch \ " -SRC_URI[md5sum] = "b2cd00ca7e24049040099b0a46bb3649" -SRC_URI[sha256sum] = "dfc79b918771f02d33968bd34a749ad7487fa1014aeb787fad29dd392b78c56e" +SRC_URI[md5sum] = "d3adf4b130eed854a530390f00020a65" +SRC_URI[sha256sum] = "90bd41c605d30e3745771eb81928d779f158081a51b2f314bbcc1f73de5773db" CVE_PRODUCT = "pcre2" |