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[Backport]binutils:fix CVE-2022-38533

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CVE:CVE-2022-38533
Reference:https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=ef186fe54aa6d281a3ff8a9528417e5cc614c797
Type:CVE
reason:fix CVE-2022-38533
This commit is contained in:
luguangyang 2023-12-25 16:11:45 +08:00
parent 57d46caffa
commit ecfd010cd2
2 changed files with 38 additions and 1 deletions
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33
backport-CVE-2022-38533.patch Normal file
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@ -0,0 +1,33 @@
From ef186fe54aa6d281a3ff8a9528417e5cc614c797 Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Sat, 13 Aug 2022 15:32:47 +0930
Subject: [PATCH] PR29482 - strip: heap-buffer-overflow
PR 29482
* coffcode.h (coff_set_section_contents): Sanity check _LIB.
---
bfd/coffcode.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index 67aaf158ca1..52027981c3f 100644
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -4302,10 +4302,13 @@ coff_set_section_contents (bfd * abfd,
rec = (bfd_byte *) location;
recend = rec + count;
- while (rec < recend)
+ while (recend - rec >= 4)
{
+ size_t len = bfd_get_32 (abfd, rec);
+ if (len == 0 || len > (size_t) (recend - rec) / 4)
+ break;
+ rec += len * 4;
++section->lma;
- rec += bfd_get_32 (abfd, rec) * 4;
}
BFD_ASSERT (rec == recend);
--
2.39.3

6
binutils.spec
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@ -1,7 +1,7 @@
Summary: Binary utilities
Name: binutils
Version: 2.37
Release: 24
Release: 25
License: GPLv3+
URL: https://sourceware.org/binutils
@ -80,6 +80,7 @@ Patch54: backport-CVE-2021-46174.patch
Patch55: backport-CVE-2023-1972.patch
Patch56: backport-CVE-2022-48064.patch
Patch57: backport-CVE-2022-4285.patch
Patch58: backport-CVE-2022-38533.patch
%ifarch loongarch64
# LoongArch-related patches start with Patch101
@ -426,6 +427,9 @@ fi
%{_infodir}/bfd*info*
%changelog
* Mon Dec 25 2023 luguangyang <luguangyang@xfusion.com> - 2.37-25
- fix CVE-2022-38533
* Thu Sep 07 2023 yeqinglong <yeqinglong@kylinsec.com.cn> - 2.37-24
- DESC:Add sw_64 support
- DESC:Add LoongArch support