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DEBIAN-CVE-2009-0021

DEBIAN-CVE-2009-0021 PUBLISHED

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

VendorProductVersions
Debian:11ntp0, 0, 0

Timeline

  • Jan 7, 2009 CVE Published
  • Apr 28, 2026 CVE Updated
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