CVE-2009-0021
At a glance
- Source
- NVD
- EPSS
- EPSS 3.22 % · percentile 88 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-287 — Improper Authentication
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
- 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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2009-0034
- GCVE · GCVE-0-2009-0021
CERT-FR advisories
- CERTA-2009-AVI-186 — Multiples vulnérabilités dans Apple Mac OS X · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*≤ 4.2.4p4cpe:2.3:a:ntp:ntp:4.2.0:*:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.2:*:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.4p1:*:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.4p2:*:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.4p3:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |