CVE-2006-6931 Denial of service in n/a
Remote attackers can cause denial of service in Snort via crafted network traffic triggering algorithmic complexity in rule matching.
- 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-2006-6931?
CVE-2006-6931 is a medium-severity denial of service vulnerability in n/a, published on 16 Jan 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a "backtracking attack."
Which versions are affected by CVE-2006-6931?
It affects 1 product.
Products include Snort Snort.
How do I fix CVE-2006-6931?
No fix has been published for CVE-2006-6931 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-2006-6931 being exploited?
There is no known exploitation of CVE-2006-6931 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xxx2-77cj-f65h.