CVE-2009-0638 Denial of service in n/a
Remote attackers can cause a traffic-handling outage in Cisco FWSM modules by sending malformed ICMP messages.
- 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-2009-0638?
CVE-2009-0638 is a high-severity denial of service vulnerability in n/a, published on 20 Aug 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Cisco Firewall Services Module (FWSM) 2.x, 3.1 before 3.1(16), 3.2 before 3.2(13), and 4.0 before 4.0(6) for Cisco Catalyst 6500 switches and Cisco 7600 routers allows remote attackers to cause a denial of service (traffic-handling outage) via a series of malformed ICMP messages.
Which versions are affected by CVE-2009-0638?
It affects 1 product.
Products include Cisco Firewall Services Module.
How do I fix CVE-2009-0638?
No fix has been published for CVE-2009-0638 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-2009-0638 being exploited?
There is no known exploitation of CVE-2009-0638 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jmpc-v965-868j.