Ubuntu 12.04 LTS / 14.04 LTS / 14.10 : pidgin vulnerabilities (USN-2390-1)

Ubuntu Security Notice (C) 2014-2017 Canonical, Inc. / NASL script (C) 2014-2017 Tenable Network Security, Inc.


Synopsis :

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

Description :

Jacob Appelbaum and an anonymous person discovered that Pidgin
incorrectly handled certificate validation. A remote attacker could
exploit this to perform a man in the middle attack to view sensitive
information or alter encrypted communications. (CVE-2014-3694)

Yves Younan and Richard Johnson discovered that Pidgin incorrectly
handled certain malformed MXit emoticons. A malicious remote server or
a man in the middle could use this issue to cause Pidgin to crash,
resulting in a denial of service. (CVE-2014-3695)

Yves Younan and Richard Johnson discovered that Pidgin incorrectly
handled certain malformed Groupwise messages. A malicious remote
server or a man in the middle could use this issue to cause Pidgin to
crash, resulting in a denial of service. (CVE-2014-3696)

Thijs Alkemade and Paul Aurich discovered that Pidgin incorrectly
handled memory when processing XMPP messages. A malicious remote
server or user could use this issue to cause Pidgin to disclosure
arbitrary memory, resulting in an information leak. (CVE-2014-3698).

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 libpurple0 and / or pidgin packages.

Risk factor :

Medium / CVSS Base Score : 6.4
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N)
CVSS Temporal Score : 5.3
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 78723 ()

Bugtraq ID:

CVE ID: CVE-2014-3694
CVE-2014-3695
CVE-2014-3696
CVE-2014-3698

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