[VulnWatch] BIND remote exploit (low severity) [Fwd: Internet Systems Consortium Security Advisory.]

[Lebbeous Weekley <lebbeous@hurricanelabs.com>]

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: