Fetchmail Bounced Message Denial Of Service Vulnerability

BID:16365

Info

Fetchmail Bounced Message Denial Of Service Vulnerability

Bugtraq ID: 16365
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2006-0321
Remote: Yes
Local: No
Published: Jan 24 2006 12:00AM
Updated: Aug 02 2006 09:11PM
Credit: Nathaniel W. Turner is credited with the discovery of this vulnerability.
Vulnerable: Slackware Linux 10.2
Slackware Linux 10.1
Slackware Linux 10.0
Slackware Linux 9.1
Slackware Linux 9.0
Slackware Linux 8.1
Slackware Linux -current
Eric Raymond Fetchmail 6.3.2 rc3
Eric Raymond Fetchmail 6.3.2 rc2
Eric Raymond Fetchmail 6.3.1 -rc1
Eric Raymond Fetchmail 6.3.1
Eric Raymond Fetchmail 6.3 .0
Eric Raymond Fetchmail 6.3.2 rc1
Cosmicperl Directory Pro 10.0.3
Apple Mac OS X Server 10.4.7
Apple Mac OS X Server 10.4.6
Apple Mac OS X Server 10.4.5
Apple Mac OS X Server 10.4.4
Apple Mac OS X Server 10.4.3
Apple Mac OS X Server 10.4.2
Apple Mac OS X Server 10.4.1
Apple Mac OS X Server 10.4
Apple Mac OS X Server 10.3.9
Apple Mac OS X Server 10.3.8
Apple Mac OS X Server 10.3.7
Apple Mac OS X Server 10.3.6
Apple Mac OS X Server 10.3.5
Apple Mac OS X Server 10.3.4
Apple Mac OS X Server 10.3.3
Apple Mac OS X Server 10.3.2
Apple Mac OS X Server 10.3.1
Apple Mac OS X Server 10.3
Apple Mac OS X Server 10.2.8
Apple Mac OS X Server 10.2.7
Apple Mac OS X Server 10.2.6
Apple Mac OS X Server 10.2.5
Apple Mac OS X Server 10.2.4
Apple Mac OS X Server 10.2.3
Apple Mac OS X Server 10.2.2
Apple Mac OS X Server 10.2.1
Apple Mac OS X Server 10.2
Apple Mac OS X Server 10.1.5
Apple Mac OS X Server 10.1.4
Apple Mac OS X Server 10.1.3
Apple Mac OS X Server 10.1.2
Apple Mac OS X Server 10.1.1
Apple Mac OS X Server 10.1
Apple Mac OS X Server 10.0
Apple Mac OS X 10.4.7
Apple Mac OS X 10.4.6
Apple Mac OS X 10.4.5
Apple Mac OS X 10.4.4
Apple Mac OS X 10.4.3
Apple Mac OS X 10.4.2
Apple Mac OS X 10.4.1
Apple Mac OS X 10.4
Apple Mac OS X 10.3.9
Apple Mac OS X 10.3.8
Apple Mac OS X 10.3.7
Apple Mac OS X 10.3.6
Apple Mac OS X 10.3.5
Apple Mac OS X 10.3.4
Apple Mac OS X 10.3.3
Apple Mac OS X 10.3.2
Apple Mac OS X 10.3.1
Apple Mac OS X 10.3
Apple Mac OS X 10.2.8
Apple Mac OS X 10.2.7
Apple Mac OS X 10.2.6
Apple Mac OS X 10.2.5
Apple Mac OS X 10.2.4
Apple Mac OS X 10.2.3
Apple Mac OS X 10.2.2
Apple Mac OS X 10.2.1
Apple Mac OS X 10.2
Apple Mac OS X 10.1.5
Apple Mac OS X 10.1.4
Apple Mac OS X 10.1.3
Apple Mac OS X 10.1.2
Apple Mac OS X 10.1.1
Apple Mac OS X 10.1
Apple Mac OS X 10.1
Apple Mac OS X 10.0.4
Apple Mac OS X 10.0.3
Apple Mac OS X 10.0.2
Apple Mac OS X 10.0.1
Apple Mac OS X 10.0 3
Apple Mac OS X 10.0
Not Vulnerable: Eric Raymond Fetchmail 6.3.2 rc4
Eric Raymond Fetchmail 6.3.2

Discussion

Fetchmail Bounced Message Denial Of Service Vulnerability

Fetchmail is prone to a denial-of-service vulnerability. This issue is due to a failure in the application to properly handle bounced messages.

An attacker can exploit this issue to cause fetchmail to crash, effectively denying service to legitimate users.

Exploit / POC

Fetchmail Bounced Message Denial Of Service Vulnerability

An exploit is not required.

Solution / Fix

Fetchmail Bounced Message Denial Of Service Vulnerability

Solution:
The vendor has released an update to address this issue. Please see the advisory section for more information.


Eric Raymond Fetchmail 6.3.2 rc1

Apple Mac OS X Server 10.3.9

Apple Mac OS X 10.3.9

Apple Mac OS X 10.4.7

Eric Raymond Fetchmail 6.3 .0

Eric Raymond Fetchmail 6.3.1 -rc1

Eric Raymond Fetchmail 6.3.1

Eric Raymond Fetchmail 6.3.2 rc2

Eric Raymond Fetchmail 6.3.2 rc3

References

Fetchmail Bounced Message Denial Of Service Vulnerability

References:

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