CVE-2003-0851 Denial of service in n/a
Remote attackers can crash OpenSSL applications by sending malformed ASN.1 sequences, causing a denial of service.
- 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-2003-0851?
CVE-2003-0851 is a medium-severity denial of service vulnerability in Cisco Ios, published on 6 Nov 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.
Which versions are affected by CVE-2003-0851?
It affects 5 products.
Products include Cisco Css11000 Content Services Switch, Cisco Ios, Cisco Pix Firewall, Cisco Pix Firewall Software, Openssl Openssl.
How do I fix CVE-2003-0851?
No fix has been published for CVE-2003-0851 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-2003-0851 being exploited?
There is no known exploitation of CVE-2003-0851 in the wild and no public exploit code.
Sources
Also known as GHSA-m2h2-rm4v-5p5x.