Cisco Unified IP Phone HTTP server denial of service
| cisco-unifiedipphone-httpserver-dos (40489) |  Low Risk |
Description:
Cisco Unified IP Phones running SCCP firmware are vulnerable to a denial of service, caused by an error in the HTTP server. By sending a specially-crafted HTTP request to TCP port 80, a remote attacker could reboot the phone.
Platforms Affected:
- Cisco, Unified IP Phone 7935
- Cisco, Unified IP Phone 7936
Remedy:
Refer to cisco-sa-20080213-phone for patch, upgrade or suggested workaround information. See References.
Consequences:
Denial of Service
References:
- cisco-sa-20080213-phone, Cisco Security Advisory: Cisco Unified IP Phone Overflow and Denial of Service Vulnerabilities at http://www.cisco.com/warp/public/707/cisco-sa-20080213-phone.shtml.
- BID-27774: Cisco Unified IP Phone SCCP and SIP Protocol Multiple Remote Vulnerabilities
- CVE-2008-0527: The HTTP server in Cisco Unified IP Phone 7935 and 7936 running SCCP firmware allows remote attackers to cause a denial of service (reboot) via a crafted HTTP request.
- FrSIRT/ADV-2008-0543: Cisco Unified IP Phones Overflow and Denial of Service Vulnerabilities
- SA28935: Cisco Unified IP Phone Multiple Vulnerabilities
- SECTRACK ID: 1019408: Cisco Unified IP Phone Can Be Crashed By Remote Users Sending an HTTP Request Packet
Reported:
Feb 13, 2008
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