CVE-2009-0129 Security feature bypass in n/a
Remote attackers can bypass SSL/TLS certificate validation by exploiting improper return value checks in the Perl OpenSSL DSA library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-0129?
CVE-2009-0129 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
libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
Weakness: CWE-287
Which versions are affected by CVE-2009-0129?
It affects 1 product.
Products include Perl-Openssl Libcrypt-Openssl-Dsa-Perl.
How do I fix CVE-2009-0129?
Upgrade to a fixed version.
Is CVE-2009-0129 being exploited?
There is no known exploitation of CVE-2009-0129 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2009-0129, GHSA-cvwp-gwp2-6xqh.