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Debian Security Advisory 2483-1

Debian Security Advisory 2483-1
Posted Jun 1, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2483-1 - An authentication bypass issue was discovered by the Codenomicon CROSS project in strongSwan, an IPsec-based VPN solution. When using RSA-based setups, a missing check in the gmp plugin could allow an attacker presenting a forged signature to successfully authenticate against a strongSwan responder.

tags | advisory
systems | linux, debian
advisories | CVE-2012-2388
MD5 | 03293a0423f67544c76e2a16b7aaf668

Debian Security Advisory 2483-1

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2483-1 security@debian.org
http://www.debian.org/security/ Yves-Alexis Perez
May 31, 2012 http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : strongswan
Vulnerability : authentication bypass
Problem type : remote
Debian-specific: no
CVE ID : CVE-2012-2388

An authentication bypass issue was discovered by the Codenomicon CROSS
project in strongSwan, an IPsec-based VPN solution. When using
RSA-based setups, a missing check in the gmp plugin could allow an
attacker presenting a forged signature to successfully authenticate
against a strongSwan responder.

The default configuration in Debian does not use the gmp plugin for
RSA operations but rather the OpenSSL plugin, so the packages as
shipped by Debian are not vulnerable.

For the stable distribution (squeeze), this problem has been fixed in
version 4.4.1-5.2.

For the testing distribution (wheezy), this problem has been fixed in
version 4.5.2-1.4.

For the unstable distribution (sid), this problem has been fixed in
version 4.5.2-1.4.

We recommend that you upgrade your strongswan 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@lists.debian.org
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