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Secunia Security Advisory 14958

Secunia Security Advisory 14958
Posted Apr 18, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Stefan Schmidt has reported a vulnerability in Postgrey, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
SHA-256 | 135903cfee00b90523eb59ede98ddae014f52c13825b6d164aa5d1dc66ee162f

Secunia Security Advisory 14958

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TITLE:
Postgrey Format String Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA14958

VERIFY ADVISORY:
http://secunia.com/advisories/14958/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Postgrey 1.x
http://secunia.com/product/4924/

DESCRIPTION:
Stefan Schmidt has reported a vulnerability in Postgrey, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a format string error in the
logging functionality. This can be exploited to crash a vulnerable
service by sending a mail with a specially crafted sender address.

The vulnerability has been reported in version 1.16, 1.17 and 1.18.
Prior versions may also be affected.

SOLUTION:
Update to version 1.2.1:
http://isg.ee.ethz.ch/tools/postgrey/pub/postgrey-1.21.tar.gz

PROVIDED AND/OR DISCOVERED BY:
Stefan Schmidt

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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.

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