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Fix potential integer overflow in readelf. 

Resolves:  #1740470
This commit is contained in:
Nick Clifton 2019-08-13 14:53:31 +01:00
parent 79f83cf3ce
commit 6a63423c37
2 changed files with 20 additions and 1 deletions
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11
binutils-CVE-2019-14444.patch Normal file
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@ -0,0 +1,11 @@
--- binutils.orig/binutils/readelf.c 2019-08-13 10:03:33.518792590 +0100
+++ binutils-2.32/binutils/readelf.c 2019-08-13 10:04:22.885418269 +0100
@@ -13234,7 +13234,7 @@ apply_relocations (Filedata *
}
rloc = start + rp->r_offset;
- if ((rloc + reloc_size) > end || (rloc < start))
+ if (rloc >= end || (rloc + reloc_size) > end || (rloc < start))
{
warn (_("skipping invalid relocation offset 0x%lx in section %s\n"),
(unsigned long) rp->r_offset,

10
binutils.spec
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@ -2,7 +2,7 @@
Summary: A GNU collection of binary utilities
Name: %{?cross}binutils%{?_with_debug:-debug}
Version: 2.32
Release: 23%{?dist}
Release: 24%{?dist}
License: GPLv3+
URL: https://sourceware.org/binutils
@ -252,6 +252,10 @@ Patch27: binutils-CVE-2019-1010204.patch
# Lifetime: Fixed in 2.33
Patch28: binutils-CVE-2019-14250.patch
# Purpose: Add check to readelf in order to prevent an integer overflow.
# Lifetime: Fixed in 2.33
Patch29: binutils-CVE-2019-14444.patch
#----------------------------------------------------------------------------
Provides: bundled(libiberty)
@ -406,6 +410,7 @@ Conflicts: gcc-c++ < 4.0.0
%patch26 -p1
%patch27 -p1
%patch28 -p1
%patch29 -p1
# We cannot run autotools as there is an exact requirement of autoconf-2.59.
# FIXME - this is no longer true. Maybe try reinstating autotool use ?
@ -802,6 +807,9 @@ exit 0
#----------------------------------------------------------------------------
%changelog
* Tue Aug 13 2019 Nick Clifton <nickc@redhat.com> - 2.32-24
- Fix potential integer overflow in readelf. (#1740470)
* Fri Aug 09 2019 Nick Clifton <nickc@redhat.com> - 2.32-23
- Fix potential integer overflow in GOLD. (#1739491)