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medium5.0

CVE-2009-0021

NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote att…

Impact

NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 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 for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.

Affected products

VendorProductAffected versions
NtpNtp
through 4.2.4p4
Versions 4.2.0, 4.2.2, 4.2.4p1, 4.2.4p2, 4.2.4p3

Weakness classification

CWE-287

References