CVE-2009-0124 Information

Description

The tqsl_verifyDataBlock function in openssl_cert.cpp in American Radio Relay League (ARRL) tqsllib 2.0 does not properly check the return value from the OpenSSL EVP_VerifyFinal function which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature a similar vulnerability to CVE-2008-5077.

Reference

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511509 http://openwall.com/lists/oss-security/2009/01/12/4 http://secunia.com/advisories/33543 https://bugzilla.redhat.com/show_bug.cgi?id=479650 https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00557.html