Quagga community denial of service
|quagga-community-dos (66211)||Medium Risk|
Quagga is vulnerable to a denial of service, caused by a NULL pointer dereference when parsing certain extended community attributes. A remote attacker could exploit this vulnerability using specially-crafted extended community attributes to cause the bgpd daemon to crash.
Denial of Service
Upgrade to the latest version of Quagga (0.99.18 or later), available from the Quagga Web site. See References.
- Quagga Web Site: 2011-03-21: Quagga 0.99.18 Released.
- BID-46942: Quagga BGP Daemon Null Pointer Deference Denial Of Service Vulnerability
- CVE-2010-1674: The extended-community parser in bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed Extended Communities attribute.
- DSA-2197: quagga -- denial of service
- OSVDB ID: 71259: Quagga Extended Communities Attribute Handling NULL Dereference Remote DoS
- RHSA-2011-0406: Moderate: quagga security update
- RHSA-2012-1258: Moderate: quagga security update
- SA43770: Quagga Two Denial of Service Vulnerabilities
- SUSE-SR:2011:005: SUSE Security Summary Report
- SUSE-SR:2011:006: SUSE Security Summary Report
- Quagga Quagga 0.99.17
- RedHat Enterprise Linux 5 Client Workstation
- RedHat Enterprise Linux 5 Client
- RedHat Enterprise Linux 5
- RedHat Enterprise Linux 6 Server
- RedHat Enterprise Linux 6 Workstation
- RedHat Enterprise Linux Server EUS 6.0.z
Mar 21, 2011
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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.