Ubuntu 6.06 LTS / 6.10 / 7.04 : fetchmail vulnerabilities (USN-520-1)

Ubuntu Security Notice (C) 2007-2016 Canonical, Inc. / NASL script (C) 2007-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

Gaetan Leurent discovered a vulnerability in the APOP protocol based
on MD5 collisions. As fetchmail supports the APOP protocol, this
vulnerability can be used by attackers to discover a portion of the
APOP user's authentication credentials. (CVE-2007-1558)

Earl Chew discovered that fetchmail can be made to de-reference a NULL
pointer when contacting SMTP servers. This vulnerability can be used
by attackers who control the SMTP server to crash fetchmail and cause
a denial of service. (CVE-2007-4565).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected fetchmail and / or fetchmailconf packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 28125 ()

Bugtraq ID:

CVE ID: CVE-2007-1558
CVE-2007-4565

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