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CVE-2009-0129

Published

15 years ago

Last Modified

15 years ago

CVSSv2.0 Severity

Medium

Impact Analysis

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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..

CVSSv2.0 Score

Severity: Medium
Base Score: 5/10
Exploit Score: 10/10
Access Vector: Network
Access Complexity: Low
Authentication Required: None
Impact Score: 2.9/10
Confidentiality Impact: Partial
Availability Impact: None
Integrity Impact: None

Products Affected

CPE	Affected	Vulnerable	Excluding	Edit
cpe:2.3:a:perl-openssl:libcrypt-openssl-dsa-perl:_nil_:::*	Yes	-	-

References

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