CVE-2002-2239 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco Catalyst switches by sending malformed packets to the Optical Service Module.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2002-2239?
CVE-2002-2239 is a high-severity denial of service vulnerability in Cisco Ios, published on 14 Oct 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Cisco Optical Service Module (OSM) for the Catalyst 6500 and 7600 series running Cisco IOS 12.1(8)E through 12.1(13.4)E allows remote attackers to cause a denial of service (hang) via a malformed packet.
Weakness: CWE-20
Which versions are affected by CVE-2002-2239?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2002-2239?
No fix has been published for CVE-2002-2239 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2002-2239 being exploited?
There is no known exploitation of CVE-2002-2239 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-7ccr-xp36-pxwq.