Cisco ASA URI denial of service
|cisco-asa-uri-dos (44869)||Medium Risk|
Cisco ASA devices are vulnerable to a denial of service, caused by a URI processing error when configured to terminate clientless VPN connections. A remote attacker could exploit this vulnerability using a specially-crafted HTTP packet to cause the device to reload.
Denial of Service
Refer to cisco-sa-20080903-asa for patch, upgrade or suggested workaround information. See References.
- cisco-sa-20080903-asa: Cisco Security Advisory: Remote Access VPN and SIP Vulnerabilities in Cisco PIX and Cisco ASA.
- BID-30998: Cisco PIX and Cisco ASA Multiple Denial of Service and Information Disclosure Vulnerabilities
- CVE-2008-2735: The HTTP server in Cisco Adaptive Security Appliance (ASA) 5500 devices 8.0 before 8.0(3)15 and 8.1 before 8.1(1)5, when configured as a clientless SSL VPN endpoint, does not properly process URIs, which allows remote attackers to cause a denial of service (device reload) via a URI in a crafted SSL or HTTP packet, aka Bug ID CSCsq19369.
- OSVDB ID: 47923: Cisco PIX / ASA SSL VPN URI Processing Error Unspecified Issue
- SA31730: Cisco ASA and PIX Security Appliances Multiple Vulnerabilities
- SECTRACK ID: 1020812: Cisco ASA SSL VPN Bugs Let Remote Users Deny Service
- Cisco Adaptive Security Appliance 8.0
- Cisco Adaptive Security Appliance 8.1
Sep 03, 2008
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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.