Pidgin PurpleCircBuffer denial of service
| pidgin-purplecircbuffer-dos (50683) |  Medium Risk |
Description:
Pidgin is vulnerable to a denial of service, caused by improper bounds checking by the PurpleCircBuffer structure. By sending specially-crafted XMPP or Sametime packets, a remote attacker could corrupt memory and cause the application to crash.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of Pidgin (2.5.6 or later), available from the Pidgin Web site. See References.
References:
- Pidgin Web site: Remote DoS in multiple protocols.
- ASA-2009-192: pidgin security update (RHSA-2009-1060)
- BID-35067: Pidgin Multiple Buffer Overflow Vulnerabilities
- CVE-2009-1375: The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.
- DSA-1805: pidgin -- several vulnerabilities
- GLSA-200905-07: Pidgin: Multiple vulnerabilities
- MDVSA-2009:147: pidgin
- MDVSA-2009:321: pidgin
- RHSA-2009-1060: Important: pidgin security update
- SA35194: Pidgin Multiple Vulnerabilities
- SUSE-SR:2009:013: SUSE Security Summary Report
- USN-781-1: Pidgin vulnerabilities
- VUPEN/ADV-2009-1396: Pidgin Multiple Buffer Overflow and Denial of Service Vulnerabilities
Platforms Affected:
- Canonical Ubuntu 8.04 LTS
- Canonical Ubuntu 8.10
- Debian Debian Linux 5.0
- Gentoo Linux
- MandrakeSoft Mandrake Linux 2008.0 X86_64
- MandrakeSoft Mandrake Linux 2008.0
- Mandriva Linux 2009.0
- Mandriva Linux 2009.0 X86_64
- Mandriva Linux 2009.1 X86_64
- Mandriva Linux 2009.1
- Pidgin Pidgin 2.0.0
- Pidgin Pidgin 2.0.1
- Pidgin Pidgin 2.0.2
- Pidgin Pidgin 2.1.0
- Pidgin Pidgin 2.1.1
- Pidgin Pidgin 2.2.0
- Pidgin Pidgin 2.2.1
- Pidgin Pidgin 2.2.2
- Pidgin Pidgin 2.3.0
- Pidgin Pidgin 2.3.1
- Pidgin Pidgin 2.4.0
- Pidgin Pidgin 2.4.1
- Pidgin Pidgin 2.4.2
- Pidgin Pidgin 2.4.3
- Pidgin Pidgin 2.5.5
- RedHat Enterprise Linux 4 AS
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 4.8.z AS
- RedHat Enterprise Linux 4.8.z ES
- RedHat Enterprise Linux 5 Client Workstation
- RedHat Enterprise Linux 5 Client
Reported:
Mar 20, 2009
The information within this database may change without notice. 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. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. 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. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.