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[SECURITY] [DSA 2548-1] tor security update
From: Moritz Muehlenhoff <jmm () debian org>
Date: Thu, 13 Sep 2012 21:23:11 +0200
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2548-1 security () debian org http://www.debian.org/security/ Moritz Muehlenhoff September 13, 2012 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : tor Vulnerability : several Problem type : remote Debian-specific: no CVE ID : CVE-2012-3518 CVE-2012-3519 CVE-2012-4419 Severel vulnerabilities have been discovered in Tor, an online privacy tool. CVE-2012-3518 Avoid an uninitialised memory read when reading a vote or consensus document that has an unrecognized flavour name. This could lead to a remote, resulting in denial of service. CVE-2012-3519 Try to leak less information about what relays a client is choosing to a side-channel attacker. CVE-2012-4419 By providing specially crafted date strings to a victim tor instance, an attacker can cause it to run into an assertion and shut down Additionally the update to stable includes the following fixes: - - When waiting for a client to renegotiate, don't allow it to add any bytes to the input buffer. This fixes a potential DoS issue [tor-5934, tor-6007]. For the stable distribution (squeeze), these problems have been fixed in version 0.2.2.39-1. For the unstable distribution, these problems have been fixed in version 0.2.3.22-rc-1. We recommend that you upgrade your tor 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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlBSMjQACgkQXm3vHE4uylq6wgCggMNGWPFQe8JxitNIDSJ7rxS9 87MAn0Z3TVgrowBSSb7iouq9E3Ty9ozG =zQL+ -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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- [SECURITY] [DSA 2548-1] tor security update Moritz Muehlenhoff (Sep 13)