CVE-2009-4923 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco ASA devices by sending malicious TLS fragments, requiring a software upgrade to mitigate.
- 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-2009-4923?
CVE-2009-4923 is a high-severity denial of service vulnerability in n/a, published on 29 Jun 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.
Which versions are affected by CVE-2009-4923?
It affects 1 product.
Products include Cisco Asa 5580.
How do I fix CVE-2009-4923?
No fix has been published for CVE-2009-4923 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-2009-4923 being exploited?
There is no known exploitation of CVE-2009-4923 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rj5j-m5vv-27cj.