CVE-2009-0021 | BDVDB-2026-34199 Detail
Description#
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://support.apple.com/kb/HT3549
- http://www.securityfocus.com/archive/1/499827/100/0/threaded
- http://www.securitytracker.com/id?1021533
- https://lists.ntp.org/pipermail/announce/2009-January/000055.html
- http://secunia.com/advisories/34642
- http://www.redhat.com/support/errata/RHSA-2009-0046.html
- http://secunia.com/advisories/35074
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://secunia.com/advisories/33558
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html
- http://www.ocert.org/advisories/ocert-2008-016.html
- http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.531177
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html
- http://secunia.com/advisories/33648
- http://secunia.com/advisories/33406
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.