CVE-2009-0124
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.
Vulnerability Summary
CVSS v2 Score
AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS Score (Exploitation Probability)
This vulnerability has a 1.32% probability of being exploited in the next 30 days, ranking higher than 67% of all scored CVEs.
CWE Classification
Related Vulnerabilities
Same Weakness Type(CWE-287)
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A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.