CVE-2009-0129

MEDIUM 5.0CVE-2009-0129 · Published 15/01/2009 · updated 16/06/2026

In short

CVE-2009-0129 is a MEDIUM (CVSS 5.0) vulnerability affecting libcrypt-openssl-dsa-perl (perl-openssl).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 66.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
libcrypt-openssl-dsa-perl perl-openssl	`= _nil_`	No fix yet

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.

References

bugs.debian.org/cgi-bin/bugreport.cgi · Exploit
openwall.com/lists/oss-security/2009/01/12/4

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