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  • [SECURITY] [DSA 2665-1] strongswan security update

    From Yves-Alexis Perez@1:229/2 to All on Tue Apr 30 17:00:02 2013
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2665-1 [email protected] http://www.debian.org/security/ Yves-Alexis Perez
    April 30, 2013 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : strongswan
    Vulnerability : authentication bypass
    Problem type : remote
    Debian-specific: no
    CVE ID : CVE-2013-2944

    Kevin Wojtysiak discovered a vulnerability in strongSwan, an IPsec based VPN solution.

    When using the openssl plugin for ECDSA based authentication, an empty, zeroed or otherwise invalid signature is handled as a legitimate one. An attacker could use a forged signature to authenticate like a legitimate user and gain access to the VPN (and everything protected by this).

    While the issue looks like CVE-2012-2388 (RSA signature based authentication bypass), it is unrelated.

    For the stable distribution (squeeze), this problem has been fixed in
    version 4.4.1-5.3.

    For the testing distribution (wheezy), this problem has been fixed in
    version 4.5.2-1.5+deb7u1.

    For the unstable distribution (sid), this problem has been fixed in
    version 4.6.4-7.

    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: [email protected]
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