Pidgin libpurple XMPP nickname denial of service
| pidgin-xmpp-nickname-dos (56399) |  Medium Risk |
Description:
Pidgin libpurple is vulnerable to a denial of service, caused by a vulnerability when parsing XMPP group chat room nicknames. By inserting a specially-crafted HTML-encoded character into a MUC nickname, a remote attacker could cause Finch 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:
Refer to Pidgin Security Advisory 2010-02-18 for patch, upgrade or suggested workaround information. See References.
References:
- Pidgin Security Advisory 2010-02-18: Finch XMPP MUC crash.
- BID-38294: Pidgin Multiple Denial of Service Vulnerabilities
- CVE-2010-0420: libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing <br> sequences, which allows remote attackers to cause a denial of service (application crash) via a crafted nickname.
- DSA-2038: pidgin -- several vulnerabilities
- MDVSA-2010:041: pidgin
- MDVSA-2010:085: pidgin
- OSVDB ID: 62439: Pidgin XMPP Multi-user Chat Room Malformed Nickname Remote DoS
- RHSA-2010-0115: Moderate: pidgin security update
- SA38563: Pidgin Multiple Denial of Service Weaknesses
- SUSE-SR:2010:006: SUSE Security Summary Report
- USN-902-1: Pidgin vulnerabilities
- VUPEN/ADV-2010-0413: Pidgin Security Update Fixes Multiple Denial of Service Vulnerabilities
- VUPEN/ADV-2010-0914: Debian Security Update Fixes Pidgin Denial of Service Vulnerabilities
- VUPEN/ADV-2010-1020: Mandriva Security Update Fixes Pidgin Multiple Vulnerabilities
Platforms Affected:
- Canonical Ubuntu 8.04 LTS
- Canonical Ubuntu 8.10
- Debian Debian Linux 5.0
- MandrakeSoft Mandrake Linux 2008.0 X86_64
- MandrakeSoft Mandrake Linux 2008.0
- MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
- Mandriva Enterprise Server 5
- Mandriva Enterprise Server 5 X86_64
- Mandriva Linux 2009.0
- Mandriva Linux 2009.0 X86_64
- Mandriva Linux 2009.1 X86_64
- Mandriva Linux 2009.1
- Mandriva Linux 2010 X86_64
- Mandriva Linux 2010
- Pidgin libpurple 2.6.4
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 AS
- RedHat Enterprise Linux 4.8.z ES
- RedHat Enterprise Linux 4.8.z AS
- RedHat Enterprise Linux 5 Client Workstation
- RedHat Enterprise Linux 5 Client
- RedHat Enterprise Linux Optional Productivity Applications 5 Server
- RedHat RHEL Optional Productivity Applications 5.4.z EUS
Reported:
Feb 18, 2010
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 ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this
* 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.