----------------------------------------------------------------------

A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
https://psi.secunia.com/

Read more about this new version:
https://psi.secunia.com/?page=changelog

----------------------------------------------------------------------

TITLE:
PowerDNS Recursor DNS Cache Poisoning Vulnerability

SECUNIA ADVISORY ID:
SA29584

VERIFY ADVISORY:
http://secunia.com/advisories/29584/

CRITICAL:
Moderately critical

IMPACT:
Spoofing

WHERE:
>From remote

SOFTWARE:
PowerDNS Recursor 3.x
http://secunia.com/product/9556/

DESCRIPTION:
Amit Klein has reported a vulnerability in PowerDNS Recursor, which
can be exploited by malicious people to poison the DNS cache.

The vulnerability is caused due to the application using predictable
standard C library functions to generate random numbers (e.g.
"rand()" and "srand()"), which are then used to create the
transaction ID (TRXID) and UDP source port. This can be exploited to
poison the DNS cache by guessing the transaction TRXID and the UDP
source port.

The vulnerability is reported in versions prior to 3.1.5.

SOLUTION:
Update to version 3.1.5.

PROVIDED AND/OR DISCOVERED BY:
Amit Klein, Trusteer

ORIGINAL ADVISORY:
PowerDNS:
http://doc.powerdns.com/changelog.html

Amit Klein:
http://www.trusteer.com/docs/powerdnsrecursor.html

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

----------------------------------------------------------------------