CVE-2009-3641 Denial of service in n/a
Remote attackers can crash Snort via crafted IPv6 packets when verbose logging is enabled, requiring an 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-2009-3641?
CVE-2009-3641 is a medium-severity denial of service vulnerability in n/a, published on 28 Oct 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Snort before 2.8.5.1, when the -v option is enabled, allows remote attackers to cause a denial of service (application crash) via a crafted IPv6 packet that uses the (1) TCP or (2) ICMP protocol.
Which versions are affected by CVE-2009-3641?
It affects 1 product.
Products include Snort Snort.
How do I fix CVE-2009-3641?
No fix has been published for CVE-2009-3641 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-2009-3641 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-3641 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in n/a
Sources
Also known as GHSA-56x5-r874-457f.