full-disclosure - [SECURITY] [DSA 2440-1] libtasn1-3 security update

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Message-ID: <87mx753agx.fsf@mid.deneb.enyo.de>
Date: Sat, 24 Mar 2012 23:22:54 +0100
From: Florian Weimer <fw@...eb.enyo.de>
To: debian-security-announce@...ts.debian.org
Subject: [SECURITY] [DSA 2440-1] libtasn1-3 security update

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2440-1                   security@...ian.org
http://www.debian.org/security/                            Florian Weimer
March 24, 2012                         http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : libtasn1-3
Vulnerability  : missing bounds check
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2012-1569

Matthew Hall discovered that many callers of the asn1_get_length_der
function did not check the result against the overall buffer length
before processing it further.  This could result in out-of-bounds
memory accesses and application crashes.  Applications using GNUTLS
are exposed to this issue.

For the stable distribution (squeeze), this problem has been fixed in
version 2.7-1+squeeze+1.

For the unstable distribution (sid), this problem has been fixed in
version 2.12-1.

We recommend that you upgrade your libtasn1-3 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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