diff options
| author |   Ross Burton <ross.burton@intel.com> | 2019-03-21 12:31:12 +0000 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2019-03-24 17:00:42 +0000 |
| commit | 966213b3c99d428f2afba3ad3d88189669005eb6 (patch) | |
| tree | a188dddae7911d9cf59d4345f9da73e9342086fc /meta/recipes-core/glibc/glibc | |
| parent | 3d97cddeec8635988e414e6854d850cea20bcb36 (diff) | |
| download | openembedded-core-contrib-966213b3c99d428f2afba3ad3d88189669005eb6.tar.gz | |
glibc: fix CVE-2019-9169
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-core/glibc/glibc')
| -rw-r--r-- | meta/recipes-core/glibc/glibc/CVE-2019-9169.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/glibc/CVE-2019-9169.patch b/meta/recipes-core/glibc/glibc/CVE-2019-9169.patch new file mode 100644 index 0000000000..bc40361c5d --- /dev/null +++ b/meta/recipes-core/glibc/glibc/CVE-2019-9169.patch @@ -0,0 +1,36 @@ +CVE: CVE-2019-9169 +Upstream-Status: Backport +Signed-off-by: Ross Burton <ross.burton@intel.com> + +From 583dd860d5b833037175247230a328f0050dbfe9 Mon Sep 17 00:00:00 2001 +From: Paul Eggert <eggert@cs.ucla.edu> +Date: Mon, 21 Jan 2019 11:08:13 -0800 +Subject: [PATCH] regex: fix read overrun [BZ #24114] + +Problem found by AddressSanitizer, reported by Hongxu Chen in: +https://debbugs.gnu.org/34140 +* posix/regexec.c (proceed_next_node): +Do not read past end of input buffer. +--- + posix/regexec.c | 6 ++++-- + 2 files changed, 13 insertions(+), 3 deletions(-) + +diff --git a/posix/regexec.c b/posix/regexec.c +index 91d5a79..084b122 100644 +--- a/posix/regexec.c ++++ b/posix/regexec.c +@@ -1293,8 +1293,10 @@ proceed_next_node (const re_match_context_t *mctx, Idx nregs, regmatch_t *regs, + else if (naccepted) + { + char *buf = (char *) re_string_get_buffer (&mctx->input); +- if (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx, +- naccepted) != 0) ++ if (mctx->input.valid_len - *pidx < naccepted ++ || (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx, ++ naccepted) ++ != 0)) + return -1; + } + } +-- +2.9.3 |