CVE-2009-0125 Security feature bypass in n/a
Remote attackers can bypass SSL/TLS certificate validation due to unchecked return values in libnasl, though the vendor disputes security impact.
- 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-2009-0125?
CVE-2009-0125 is a medium-severity vulnerability in n/a, published on 15 Jan 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NOTE: this issue has been disputed by the upstream vendor. nasl/nasl_crypto2.c in the Nessus Attack Scripting Language library (aka libnasl) 2.2.11 does not properly check the return value from the OpenSSL DSA_do_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: the upstream vendor has disputed this issue, stating "while we do misuse this function (this is a bug), it has absolutely no security ramification.
Weakness: CWE-287
Which versions are affected by CVE-2009-0125?
It affects 1 product.
Products include Finkproject Libnasl.
How do I fix CVE-2009-0125?
No fix has been published for CVE-2009-0125 yet. Limit exposure of the affected software until one is available.
Is CVE-2009-0125 being exploited?
There is no known exploitation of CVE-2009-0125 in the wild and no public exploit code.
Sources
Also known as GHSA-38p9-hv7m-9vv5.