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).
135903cfee00b90523eb59ede98ddae014f52c13825b6d164aa5d1dc66ee162f
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TITLE:
Postgrey Format String Denial of Service Vulnerability
SECUNIA ADVISORY ID:
SA14958
VERIFY ADVISORY:
https://secunia.com/advisories/14958/
CRITICAL:
Moderately critical
IMPACT:
DoS
WHERE:
>From remote
SOFTWARE:
Postgrey 1.x
https://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:
https://isg.ee.ethz.ch/tools/postgrey/pub/postgrey-1.21.tar.gz
PROVIDED AND/OR DISCOVERED BY:
Stefan Schmidt
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