oss-sec mailing list archives

Quagga 1.2.3 release with BGP security issue fixes


From: Paul Jakma <paul () jakma org>
Date: Thu, 15 Feb 2018 23:07:20 +0000 (GMT)

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Hi,

Quagga 1.2.3 has been released, and it contains fixes for a number of BGP security issues, 3 of which were not public till today. Please see:

  http://savannah.nongnu.org/forum/forum.php?forum_id=9095

The CERT vulnerability note is at:

  https://www.kb.cert.org/vuls/id/940439

Quagga advisories are at the URIs in the release announcement, also available via either of:

  https://gogs.quagga.net/Quagga/quagga/src/master/doc/security
  https://git.savannah.gnu.org/cgit/quagga.git/tree/doc/security

Quagga-2018-1114 can be triggered by receiving a transitive BGP attribute - meaning it potentially could be triggered by a message sent by a BGP speaker far away. It involves a double-free, which could be serious, depending on the malloc implementation. See:

 https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-1114.txt

Vendors are encouraged to provide backports to older releases.

Quagga users should upgrade to a release appropriate for their stability needs with the relevant fixes applied.

regards,
- -- Paul Jakma | paul () jakma org | @pjakma | Key ID: 0xD86BF79464A2FF6A

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