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Message-ID: <20071127025812.GQ8789@outflux.net>
Date: Mon, 26 Nov 2007 18:58:12 -0800
From: Kees Cook <kees@...ntu.com>
To: ubuntu-security-announce@...ts.ubuntu.com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk
Subject: [USN-547-1] PCRE vulnerabilities
===========================================================
Ubuntu Security Notice USN-547-1 November 27, 2007
pcre3 vulnerabilities
CVE-2007-1659, CVE-2007-1660, CVE-2007-1661, CVE-2007-1662,
CVE-2007-4766, CVE-2007-4767, CVE-2007-4768
===========================================================
A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS
Ubuntu 6.10
Ubuntu 7.04
Ubuntu 7.10
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 6.06 LTS:
libpcre3 7.4-0ubuntu0.6.06.1
libpcrecpp0 7.4-0ubuntu0.6.06.1
Ubuntu 6.10:
libpcre3 7.4-0ubuntu0.6.10.1
libpcrecpp0 7.4-0ubuntu0.6.10.1
Ubuntu 7.04:
libpcre3 7.4-0ubuntu0.7.04.1
libpcrecpp0 7.4-0ubuntu0.7.04.1
Ubuntu 7.10:
libpcre3 7.4-0ubuntu0.7.10.1
libpcrecpp0 7.4-0ubuntu0.7.10.1
After a standard system upgrade you need to reboot your computer to
effect the necessary changes.
Due to the large internal code changes needed to solve outstanding flaws,
it was not possible to backport all the upstream security fixes to the
earlier released versions. To address this, the pcre3 library has been
updated to the latest stable release (7.4), which includes fixes for
all known security issues. While the new version is ABI compatible,
efforts have been taken to maintain behavioral compatibility with the
earlier versions.
Details follow:
Tavis Ormandy and Will Drewry discovered multiple flaws in the regular
expression handling of PCRE. By tricking a user or service into running
specially crafted expressions via applications linked against libpcre3,
a remote attacker could crash the application, monopolize CPU resources,
or possibly execute arbitrary code with the application's privileges.
Updated packages for Ubuntu 6.06 LTS:
Source archives:
http://security.ubuntu.com/ubuntu/pool/main/p/pcre3/pcre3_7.4-0ubuntu0.6.06.1.diff.gz
Size/MD5: 79804 404e9d3c5f0f13a5bac7fa99115ad1af
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Architecture independent packages:
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Size/MD5: 774 d68b2ef645092b61be193deb856461a0
amd64 architecture (Athlon64, Opteron, EM64T Xeon):
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amd64 architecture (Athlon64, Opteron, EM64T Xeon):
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i386 architecture (x86 compatible Intel/AMD):
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Size/MD5: 250882 1c54985f4186baaf1ad01508ab663d27
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powerpc architecture (Apple Macintosh G3/G4/G5):
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Size/MD5: 21508 be9eb52bcc5329ec904940f92e6c81df
sparc architecture (Sun SPARC/UltraSPARC):
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Updated packages for Ubuntu 7.04:
Source archives:
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Size/MD5: 80014 4044f7dfba605b537fef90b7a18539e6
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amd64 architecture (Athlon64, Opteron, EM64T Xeon):
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i386 architecture (x86 compatible Intel/AMD):
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Size/MD5: 250856 bb7f5405cfc95892c399bc898b8c86c0
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powerpc architecture (Apple Macintosh G3/G4/G5):
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