CVE-2009-0021
CVE-2009-0021
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
EPSS 3.2% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
Original sources
- 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
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10035
- http://www.vupen.com/english/advisories/2009/1297
- http://www.vupen.com/english/advisories/2009/0042
- https://nvd.nist.gov/vuln/detail/CVE-2009-0021