CVE-2002-0514 Information disclosure in n/a
Remote attackers can determine if a port is filtered by analyzing the TTL value in RST packets generated by the PF firewall.
- 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-2002-0514?
CVE-2002-0514 is a medium-severity vulnerability in Openbsd Openbsd, published on 11 Jun 2002. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL.
Weakness: CWE-203
Which versions are affected by CVE-2002-0514?
It affects 1 product.
Products include Openbsd Openbsd.
How do I fix CVE-2002-0514?
No fix has been published for CVE-2002-0514 yet. Limit exposure of the affected software until one is available.
Is CVE-2002-0514 being exploited?
There is no known exploitation of CVE-2002-0514 in the wild and no public exploit code.
Other vulnerabilities in Openbsd Openbsd
Sources
Also known as GHSA-vqq4-v6w9-fvx4.