CVE-2004-2531 Denial of service in n/a
Remote attackers can cause denial of service via CPU exhaustion in GnuTLS by sending certificates with long chains and large RSA keys.
- 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-2004-2531?
CVE-2004-2531 is a high-severity denial of service vulnerability in Gnu Gnutls, published on 25 Oct 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
X.509 Certificate Signature Verification in Gnu transport layer security library (GnuTLS) 1.0.16 allows remote attackers to cause a denial of service (CPU consumption) via certificates containing long chains and signed with large RSA keys.
Which versions are affected by CVE-2004-2531?
It affects 1 product.
Products include Gnu Gnutls.
How do I fix CVE-2004-2531?
No fix has been published for CVE-2004-2531 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-2004-2531 being exploited?
There is no known exploitation of CVE-2004-2531 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as GHSA-2xmw-23qh-mjvr.