Ubuntu 10.04 LTS / 10.10 / 11.04 : pidgin vulnerabilities (USN-1273-1)

Ubuntu Security Notice (C) 2011-2016 Canonical, Inc. / NASL script (C) 2011-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Marius Wachtler discovered that Pidgin incorrectly handled malformed
YMSG messages in the Yahoo! protocol handler. A remote attacker could
send a specially crafted message and cause Pidgin to crash, leading to
a denial of service. This issue only affected Ubuntu 10.04 LTS and
10.10. (CVE-2011-1091)

Marius Wachtler discovered that Pidgin incorrectly handled HTTP 100
responses in the MSN protocol handler. A remote attacker could send a
specially crafted message and cause Pidgin to crash, leading to a
denial of service. (CVE-2011-3184)

Diego Bauche Madero discovered that Pidgin incorrectly handled UTF-8
sequences in the SILC protocol handler. A remote attacker could send a
specially crafted message and cause Pidgin to crash, leading to a
denial of service. (CVE-2011-3594).

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 pidgin package.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 56915 ()

Bugtraq ID: 46837
49268
49912

CVE ID: CVE-2011-1091
CVE-2011-3184
CVE-2011-3594

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