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[Full-disclosure] BIND remote exploit (low severity) [Fwd: Internet Syst

from [Lebbeous Weekley] Network Security [Permanent Link]
Subject: [Full-disclosure] BIND remote exploit (low severity) [Fwd: Internet Systems Consortium Security Advisory.]
Date: Thu, 25 Jan 2007 09:38:45 -0500 
Hadn't seen this on here yet.

        Lebbeous Weekley

----- "Mark Andrews" <Mark_Andrews@isc.org> wrote:

Internet Systems Consortium Security Advisory.
                 BIND 9: dereferencing freed fetch context
                             12 January 2007

Versions affected:

      BIND 9.3.0, 9.3.1, 9.3.2, 9.3.3
        BIND 9.4.0a1, 9.4.0a2, 9.4.0a3, 9.4.0a4, 9.4.0a5, 9.4.0a6,
9.4.0b1
           9.4.0b2, 9.4.0b3, 9.4.0b4, 9.4.0rc1 
      BIND 9.5.0a1 (Bind Forum only)

Severity: Low
Exploitable: Remotely

Description:

      It is possible for the named to dereference (read) a freed
      fetch context.  This can cause named to exit unintentionally.

Workaround:

      Disable / restrict recursion (to limit exposure).

Fix:

      Upgrade to BIND 9.2.8, BIND 9.3.4 or BIND 9.4.0rc2.
      Additionally this will be fixed in the upcoming BIND 9.5.0a2.

Revision History:


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