Signature Detail
Short Name |
DOS:NETDEV:CISCO-HTTPD-DOS |
|---|---|
Severity |
High |
Recommended |
No |
Recommended Action |
Drop |
Category |
DOS |
Keywords |
Cisco IOS httpd DoS |
Release Date |
2003/04/22 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
DOS: Cisco IOS httpd DoS
This signature detects attempts to exploit a known vulnerability in Cisco IOS. Versions prior to 11.0, 11.2.8SA1, 12.1(1a)T1, and 12.1(1.3)T are susceptible. Attackers can remotely request URLs containing the %% string from the IP HTTP server, causing a denial of service condition.
Extended Description
A denial of service attack exists in versions of Cisco IOS, running on a variety of different router hardware. If the router is configured to have a web server running for configuration and other information a user can cause the router to crash.
Affected Products
- Cisco IOS 11.1
- Cisco IOS 11.2
- Cisco IOS 11.2.10
- Cisco IOS 11.2.10BC
- Cisco IOS 11.2(17)
- Cisco IOS 11.2.4F1
- Cisco IOS 11.2.8
- Cisco IOS 11.2.8P
- Cisco IOS 11.2.9P
- Cisco IOS 11.2.9XA
- Cisco IOS 11.2P
- Cisco IOS 11.3
- Cisco IOS 11.3.1
- Cisco IOS 11.3.1ED
- Cisco IOS 11.3.1T
- Cisco IOS 11.3T
- Cisco IOS 12.0
- Cisco IOS 12.0.1W
- Cisco IOS 12.0.1XA3
- Cisco IOS 12.0.1XB
- Cisco IOS 12.0.1XE
- Cisco IOS 12.0.2
- Cisco IOS 12.0.2XC
- Cisco IOS 12.0.2XD
- Cisco IOS 12.0.2XF
- Cisco IOS 12.0.2XG
- Cisco IOS 12.0.3T2
- Cisco IOS 12.0.4
- Cisco IOS 12.0.4S
- Cisco IOS 12.0.4T
- Cisco IOS 12.0.5
- Cisco IOS 12.0(5)T1
- Cisco IOS 12.0.6
- Cisco IOS 12.0.7
- Cisco IOS 12.0(7)T
- Cisco IOS 12.0(8)
- Cisco IOS 12.0(9)S
- Cisco IOS 12.0DB
- Cisco IOS 12.0S
- Cisco IOS 12.0T
References
- BugTraq: 1154
- CVE: CVE-2000-0380
- URL: http://www.cisco.com/warp/public/707/ioshttpserver-pub.shtml