Libpurple Yahoo Protocol 'YMSG' NULL Pointer Dereference Denial of Service Vulnerability

BID:46837

Info

Libpurple Yahoo Protocol 'YMSG' NULL Pointer Dereference Denial of Service Vulnerability

Bugtraq ID: 46837
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2011-1091
Remote: Yes
Local: No
Published: Mar 11 2011 12:00AM
Updated: May 07 2015 05:03PM
Credit: Marius Wachtler
Vulnerable: Ubuntu Ubuntu Linux 11.04 powerpc
Ubuntu Ubuntu Linux 11.04 i386
Ubuntu Ubuntu Linux 11.04 ARM
Ubuntu Ubuntu Linux 11.04 amd64
Ubuntu Ubuntu Linux 10.10 powerpc
Ubuntu Ubuntu Linux 10.10 i386
Ubuntu Ubuntu Linux 10.10 ARM
Ubuntu Ubuntu Linux 10.10 amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 ARM
Ubuntu Ubuntu Linux 10.04 amd64
Sun Solaris 10_x86
Sun Solaris 10_sparc
Sun Solaris 10
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux Workstation Optional 6
Redhat Enterprise Linux Workstation 6
Redhat Enterprise Linux Server Optional 6
Redhat Enterprise Linux Optional Productivity Application 5 server
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux Desktop Workstation 5 client
Redhat Enterprise Linux Desktop Optional 6
Redhat Enterprise Linux Desktop 6
Redhat Enterprise Linux Desktop 5 client
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux Desktop version 4
Pidgin Libpurple 2.7.10
Pidgin Libpurple 2.7.9
Pidgin Libpurple 2.7.7
Pidgin Libpurple 2.7.6
Pidgin Libpurple 2.7
Pidgin Libpurple 2.6.5
Pidgin Libpurple 2.6.4
Pidgin Libpurple 2.6.1
Pidgin Libpurple 2.6
Pidgin Libpurple -
Pardus Linux 2009 0
Oracle Enterprise Linux 4
Mandriva Linux Mandrake 2010.1 x86_64
Mandriva Linux Mandrake 2010.1
Mandriva Linux Mandrake 2010.0 x86_64
Mandriva Linux Mandrake 2010.0
Mandriva Linux Mandrake 2009.0 x86_64
Mandriva Linux Mandrake 2009.0
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
Not Vulnerable: Pidgin Libpurple 2.7.11

Discussion

Libpurple Yahoo Protocol 'YMSG' NULL Pointer Dereference Denial of Service Vulnerability

Libpurple is prone to a denial-of-service vulnerability.

A remote attacker can exploit this issue to crash the affected application, denying service to legitimate users.

Pidgin Libpurple versions 2.6.0 through 2.7.10 are vulnerable.

Exploit / POC

Libpurple Yahoo Protocol 'YMSG' NULL Pointer Dereference Denial of Service Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Libpurple Yahoo Protocol 'YMSG' NULL Pointer Dereference Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.


MandrakeSoft Enterprise Server 5 x86_64

MandrakeSoft Enterprise Server 5

Mandriva Linux Mandrake 2010.1 x86_64

Mandriva Linux Mandrake 2010.0

Mandriva Linux Mandrake 2010.0 x86_64

Mandriva Linux Mandrake 2010.1

Mandriva Linux Mandrake 2009.0

Mandriva Linux Mandrake 2009.0 x86_64

References

Libpurple Yahoo Protocol 'YMSG' NULL Pointer Dereference Denial of Service Vulnerability

References:

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report