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centosCentOS ProjectCESA-2010:0788
HistoryOct 21, 2010 - 10:51 p.m.

finch, libpurple, pidgin security update

2010-10-2122:51:36
CentOS Project
lists.centos.org
47

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.096 Low

EPSS

Percentile

94.6%

CentOS Errata and Security Advisory CESA-2010:0788

Pidgin is an instant messaging program which can log in to multiple
accounts on multiple instant messaging networks simultaneously.

Multiple NULL pointer dereference flaws were found in the way Pidgin
handled Base64 decoding. A remote attacker could use these flaws to crash
Pidgin if the target Pidgin user was using the Yahoo! Messenger Protocol,
MSN, MySpace, or Extensible Messaging and Presence Protocol (XMPP) protocol
plug-ins, or using the Microsoft NT LAN Manager (NTLM) protocol for
authentication. (CVE-2010-3711)

A NULL pointer dereference flaw was found in the way the Pidgin MSN
protocol plug-in processed custom emoticon messages. A remote attacker
could use this flaw to crash Pidgin by sending specially-crafted emoticon
messages during mutual communication. (CVE-2010-1624)

Red Hat would like to thank the Pidgin project for reporting these issues.
Upstream acknowledges Daniel Atallah as the original reporter of
CVE-2010-3711, and Pierre Nogues of Meta Security as the original reporter
of CVE-2010-1624.

All Pidgin users should upgrade to these updated packages, which contain
backported patches to resolve these issues. Pidgin must be restarted for
this update to take effect.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2010-October/079263.html
https://lists.centos.org/pipermail/centos-announce/2010-October/079264.html
https://lists.centos.org/pipermail/centos-announce/2010-October/079279.html
https://lists.centos.org/pipermail/centos-announce/2010-October/079280.html

Affected packages:
finch
finch-devel
libpurple
libpurple-devel
libpurple-perl
libpurple-tcl
pidgin
pidgin-devel
pidgin-perl

Upstream details at:
https://access.redhat.com/errata/RHSA-2010:0788

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.096 Low

EPSS

Percentile

94.6%