Quagga autonomous system number denial of service
| quagga-systemnumber-dos (50317) |  Medium Risk |
Description:
Quagga is vulnerable to a denial of service, caused by an error in the autonomous system numbering. A remote attacker could exploit this vulnerabilty to cause the process to crash.
Consequences:
Denial of Service
Remedy:
Apply the patch for this vulnerability ([PATCH] BGP 4-byte ASN bug fixes), as listed in the quagga-dev Mailing List dated 2009-02-03 7:34:37. See References.
For other distributions:
Apply the appropriate update for your system. See References.
References:
- Quagga Web site: Quagga Software Routing Suite.
- quagga-dev Mailing List, 2009-02-03 7:34:37: [PATCH] BGP 4-byte ASN bug fixes.
- BID-34817: Quagga Autonomous System Number Remote Denial Of Service Vulnerability
- CVE-2009-1572: The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.
- DSA-1788: quagga -- improper assertion
- MDVSA-2009:109: quagga
- OSVDB ID: 54200: Quagga bgpd/bgp_aspath.c bgpd Service 4-byte ASN Data Handling Remote DoS
- SECTRACK ID: 1022164: Quagga Bug in Processing Certain 4-Byte ASN Data Lets Remote Users Deny Service
- SUSE-SR:2009:012: SUSE Security Summary Report
- USN-775-1: Quagga vulnerability
Platforms Affected:
- Canonical Ubuntu 6.06 LTS
- Canonical Ubuntu 8.04 LTS
- Canonical Ubuntu 8.10
- MandrakeSoft Mandrake Linux Corporate Server 4.0
- MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
- Quagga Quagga 0.99.11
Reported:
Feb 03, 2009
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