Secunia Security Advisory - A vulnerability has been reported in PowerDNS, which can be exploited by malicious people to cause a DoS (Denial of Service).
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TITLE:
PowerDNS CH HINFO Denial of Service Vulnerability
SECUNIA ADVISORY ID:
SA32979
VERIFY ADVISORY:
http://secunia.com/advisories/32979/
CRITICAL:
Moderately critical
IMPACT:
DoS
WHERE:
>From remote
SOFTWARE:
PowerDNS 2.x
http://secunia.com/advisories/product/929/
DESCRIPTION:
A vulnerability has been reported in PowerDNS, which can be exploited
by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error when processing CH HINFO
queries and can be exploited to cause a crash.
Successful exploitation may require that the server is running in
single threaded mode (i.e. "distributor-threads=1").
The vulnerability is reported in versions prior to 2.9.21.2.
SOLUTION:
Update to 2.9.21.2.
PROVIDED AND/OR DISCOVERED BY:
The vendor credits Daniel Drown.
ORIGINAL ADVISORY:
http://doc.powerdns.com/powerdns-advisory-2008-03.html
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