What’s Vulnerable › Vulnerabilities

CVE-2009-0129

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2009-01-15 · updated 2026-06-16
• Weakness: CWE-287

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.

Affected products

• Perl-Openssl Libcrypt-Openssl-Dsa-Perl: _nil_

References

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511519
• http://openwall.com/lists/oss-security/2009/01/12/4
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511519
• http://openwall.com/lists/oss-security/2009/01/12/4

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