diff options
| author |   Soumya <soumya.sambu@windriver.com> | 2023-08-18 14:38:04 +0000 |
|---|---|---|
| committer |   Armin Kuster <akuster808@gmail.com> | 2024-01-12 07:14:16 -0500 |
| commit | 7f5ded2c880947f6866509ea19a49ca4fe5e0357 (patch) | |
| tree | ccb32ef3f517b80e560fe1d43c337ac1fab73255 | |
| parent | 402affcc073db39f782c1ebfd718edd5f11eed4c (diff) | |
| download | meta-openembedded-contrib-7f5ded2c880947f6866509ea19a49ca4fe5e0357.tar.gz | |
yasm: fix CVE-2023-37732
Yasm v1.3.0.78 was found prone to NULL Pointer Dereference in /libyasm/intnum.c
and /elf/elf.c, which allows the attacker to cause a denial of service via a
crafted file.
References:
https://github.com/yasm/yasm/issues/233
https://nvd.nist.gov/vuln/detail/CVE-2023-37732
Signed-off-by: Soumya <soumya.sambu@windriver.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
(cherry picked from commit 41fffef6b044b2722aa13f7e7648a3f848231851)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
| -rw-r--r-- | meta-oe/recipes-devtools/yasm/yasm/CVE-2023-37732.patch | 41 | ||||
| -rw-r--r-- | meta-oe/recipes-devtools/yasm/yasm_git.bb | 1 |
2 files changed, 42 insertions, 0 deletions
diff --git a/meta-oe/recipes-devtools/yasm/yasm/CVE-2023-37732.patch b/meta-oe/recipes-devtools/yasm/yasm/CVE-2023-37732.patch new file mode 100644 index 0000000000..1ca33f0a92 --- /dev/null +++ b/meta-oe/recipes-devtools/yasm/yasm/CVE-2023-37732.patch @@ -0,0 +1,41 @@ +From 2cd3bb50e256f5ed5f611ac611d25fe673f2cec3 Mon Sep 17 00:00:00 2001 +From: Peter Johnson <johnson.peter@gmail.com> +Date: Fri, 11 Aug 2023 10:49:51 +0000 +Subject: [PATCH] elf.c: Fix NULL deref on bad xsize expression (#234) + +CVE: CVE-2023-37732 + +Upstream-Status: Backport [https://github.com/yasm/yasm/commit/2cd3bb50e256f5ed5f611ac611d25fe673f2cec3] + +Signed-off-by: Soumya <soumya.sambu@windriver.com> +--- + modules/objfmts/elf/elf.c | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +diff --git a/modules/objfmts/elf/elf.c b/modules/objfmts/elf/elf.c +index 2486bba8..bab4c9ca 100644 +--- a/modules/objfmts/elf/elf.c ++++ b/modules/objfmts/elf/elf.c +@@ -482,15 +482,15 @@ elf_symtab_write_to_file(FILE *f, elf_symtab_head *symtab, + + /* get size (if specified); expr overrides stored integer */ + if (entry->xsize) { +- size_intn = yasm_intnum_copy( +- yasm_expr_get_intnum(&entry->xsize, 1)); +- if (!size_intn) { ++ yasm_intnum *intn = yasm_expr_get_intnum(&entry->xsize, 1); ++ if (!intn) { + yasm_error_set(YASM_ERROR_VALUE, + N_("size specifier not an integer expression")); + yasm_errwarn_propagate(errwarns, entry->xsize->line); +- } ++ } else ++ size_intn = yasm_intnum_copy(intn); + } +- else ++ if (!size_intn) + size_intn = yasm_intnum_create_uint(entry->size); + + /* get EQU value for constants */ +-- +2.40.0 diff --git a/meta-oe/recipes-devtools/yasm/yasm_git.bb b/meta-oe/recipes-devtools/yasm/yasm_git.bb index 5c3562300b..60b00f7ff4 100644 --- a/meta-oe/recipes-devtools/yasm/yasm_git.bb +++ b/meta-oe/recipes-devtools/yasm/yasm_git.bb @@ -12,6 +12,7 @@ SRCREV = "ba463d3c26c0ece2e797b8d6381b161633b5971a" SRC_URI = "git://github.com/yasm/yasm.git;branch=master;protocol=https \ file://0001-Do-not-use-AC_HEADER_STDC.patch \ file://CVE-2023-31975.patch \ + file://CVE-2023-37732.patch \ " S = "${WORKDIR}/git" |