From 475b0d3fad963d5d74f9e3e2eeab853093163565 Mon Sep 17 00:00:00 2001 From: Hitendra Prajapati Date: Mon, 23 May 2022 22:20:06 -0700 Subject: pcre2: CVE-2022-1586 Out-of-bounds read Source: https://github.com/PCRE2Project/pcre2 MR: 118027 Type: Security Fix Disposition: Backport from https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a ChangeID: e9b448d96a7e58b34b2c4069757a6f3ca0917713 Description: CVE-2022-1586: pcre2: Out-of-bounds read in compile_xclass_matchingpath in pcre2_jit_compile.c. (From OE-Core rev: 7f4daf88b71f486ddc7140500d2b44181a99222f) Signed-off-by: Hitendra Prajapati Signed-off-by: Jeremy A. Puhlman Signed-off-by: Steve Sakoman Signed-off-by: Richard Purdie --- .../libpcre/libpcre2/CVE-2022-1586.patch | 59 ++++++++++++++++++++++ meta/recipes-support/libpcre/libpcre2_10.34.bb | 1 + 2 files changed, 60 insertions(+) create mode 100644 meta/recipes-support/libpcre/libpcre2/CVE-2022-1586.patch diff --git a/meta/recipes-support/libpcre/libpcre2/CVE-2022-1586.patch b/meta/recipes-support/libpcre/libpcre2/CVE-2022-1586.patch new file mode 100644 index 0000000000..fbbbc9ca77 --- /dev/null +++ b/meta/recipes-support/libpcre/libpcre2/CVE-2022-1586.patch @@ -0,0 +1,59 @@ +From 233c4248550d0c1d9bfee42198d5ee0855b7d413 Mon Sep 17 00:00:00 2001 +From: Hitendra Prajapati +Date: Mon, 23 May 2022 13:52:39 +0530 +Subject: [PATCH] CVE-2022-1586 + +Upstream-Status: Backport from https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a + +Signed-off-by: Hitendra Prajapati +--- + ChangeLog | 3 +++ + src/pcre2_jit_compile.c | 2 +- + src/pcre2_jit_test.c | 4 ++++ + 3 files changed, 8 insertions(+), 1 deletion(-) + +diff --git a/ChangeLog b/ChangeLog +index 0926c29..b5d72dc 100644 +--- a/ChangeLog ++++ b/ChangeLog +@@ -1,6 +1,9 @@ + Change Log for PCRE2 + -------------------- + ++23. Fixed a unicode properrty matching issue in JIT. The character was not ++fully read in caseless matching. ++ + + Version 10.34 21-November-2019 + ------------------------------ +diff --git a/src/pcre2_jit_compile.c b/src/pcre2_jit_compile.c +index f564127..5d43865 100644 +--- a/src/pcre2_jit_compile.c ++++ b/src/pcre2_jit_compile.c +@@ -7119,7 +7119,7 @@ while (*cc != XCL_END) + { + SLJIT_ASSERT(*cc == XCL_PROP || *cc == XCL_NOTPROP); + cc++; +- if (*cc == PT_CLIST) ++ if (*cc == PT_CLIST && *cc == XCL_PROP) + { + other_cases = PRIV(ucd_caseless_sets) + cc[1]; + while (*other_cases != NOTACHAR) +diff --git a/src/pcre2_jit_test.c b/src/pcre2_jit_test.c +index a9b3880..9df87fd 100644 +--- a/src/pcre2_jit_test.c ++++ b/src/pcre2_jit_test.c +@@ -408,6 +408,10 @@ static struct regression_test_case regression_test_cases[] = { + { MUP, A, 0, 0 | F_PROPERTY, "[\xc3\xa2-\xc3\xa6\xc3\x81-\xc3\x84\xe2\x80\xa8-\xe2\x80\xa9\xe6\x92\xad\\p{Zs}]{2,}", "\xe2\x80\xa7\xe2\x80\xa9\xe6\x92\xad \xe6\x92\xae" }, + { MUP, A, 0, 0 | F_PROPERTY, "[\\P{L&}]{2}[^\xc2\x85-\xc2\x89\\p{Ll}\\p{Lu}]{2}", "\xc3\xa9\xe6\x92\xad.a\xe6\x92\xad|\xc2\x8a#" }, + { PCRE2_UCP, 0, 0, 0 | F_PROPERTY, "[a-b\\s]{2,5}[^a]", "AB baaa" }, ++ { MUP, 0, 0, 0 | F_NOMATCH, "[^\\p{Hangul}\\p{Z}]", " " }, ++ { MUP, 0, 0, 0, "[\\p{Lu}\\P{Latin}]+", "c\xEA\xA4\xAE,A,b" }, ++ { MUP, 0, 0, 0, "[\\x{a92e}\\p{Lu}\\P{Latin}]+", "c\xEA\xA4\xAE,A,b" }, ++ { CMUP, 0, 0, 0, "[^S]\\B", "\xe2\x80\x8a" }, + + /* Possible empty brackets. */ + { MU, A, 0, 0, "(?:|ab||bc|a)+d", "abcxabcabd" }, +-- +2.25.1 + diff --git a/meta/recipes-support/libpcre/libpcre2_10.34.bb b/meta/recipes-support/libpcre/libpcre2_10.34.bb index f2c36944d8..213b946a54 100644 --- a/meta/recipes-support/libpcre/libpcre2_10.34.bb +++ b/meta/recipes-support/libpcre/libpcre2_10.34.bb @@ -12,6 +12,7 @@ LIC_FILES_CHKSUM = "file://LICENCE;md5=b1588d3bb4cb0e1f5a597d908f8c5b37" SRC_URI = "http://downloads.yoctoproject.org/mirror/sources/pcre2-${PV}.tar.bz2 \ file://pcre-cross.patch \ + file://CVE-2022-1586.patch \ " SRC_URI[md5sum] = "d280b62ded13f9ccf2fac16ee5286366" -- cgit v1.2.3-54-g00ecf