Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Perl-Openssl | Libcrypt-Openssl-Dsa-Perl | _nil_ |
Related Weaknesses (CWE)
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511519Exploit
- http://openwall.com/lists/oss-security/2009/01/12/4
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511519Exploit
- http://openwall.com/lists/oss-security/2009/01/12/4
FAQ
What is CVE-2009-0129?
CVE-2009-0129 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 c...
How severe is CVE-2009-0129?
CVE-2009-0129 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-0129?
Check the references section above for vendor advisories and patch information. Affected products include: Perl-Openssl Libcrypt-Openssl-Dsa-Perl.