CVE-2014-2653
MEDIUM severity · CVSS 6.5 · Improper input validation
6.5CVSS MEDIUM
Summary
The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to trigger the skipping of SSHFP DNS RR checking by presenting an unacceptable HostCertificate.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://advisories.mageia.org/MGASA-2014-0166.html
- http://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134026.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133537.html
- http://marc.info/?l=bugtraq&m=141576985122836&w=2
- http://openwall.com/lists/oss-security/2014/03/26/7
- http://rhn.redhat.com/errata/RHSA-2014-1552.html
- http://rhn.redhat.com/errata/RHSA-2015-0425.html