AMaViS securetar TAR file denial of service
| amavis-securetar-tar-dos (10056) |  Low Risk |
Description:
AMaViS is vulnerable to a denial of service attack, caused by a vulnerability in securetar. A remote attacker could send a specially-crafted TAR file to the server to consume 100% of the available CPU resources, which could cause a denial of service against the affected server.
Consequences:
Denial of Service
Remedy:
Upgrade to amavis-perl/amavisd, as listed in the AMaViS Security Announcement 2002-09-05 7:52:29. See References.
References:
- AMaViS Security Announcement 2002-09-05 7:52:29: AMaViS Security Announcement: AMaViS 0.1.x/0.2.x - all shell script.
- AMaViS Web site: AMaViS - A Mail Virus Scanner.
- Gentoo Linux Security Announcement 2002-09-05 10:30 UTC: amavis.
- CVE-2002-1109: securetar, as used in AMaViS shell script 0.2.1 and earlier, allows users to cause a denial of service (CPU consumption) via a malformed TAR file, possibly via an incorrect file size parameter.
Platforms Affected:
- amavis.org AMaViS 0.2.1 r2
Reported:
Sep 05, 2002
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For corrections or additions please email xforce@iss.net