Improper input validation in OpenBSD OpenSSH
CVE-2014-2653
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.020 (79.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- OpenBSD OpenSSH — versions 6.0, 6.1, 6.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-2164-1 (vendor-advisory)
- secunia.com/advisories/59855 (third-party-advisory)
- rhn.redhat.com/errata/RHSA-2015-0425.html (vendor-advisory)
- advisories.mageia.org/MGASA-2014-0166.html
- marc.info/ (vendor-advisory)
- www.securityfocus.com/bid/66459 (vdb-entry)
- www.mandriva.com/security/advisories (vendor-advisory)
- openwall.com/lists/oss-security/2014/03/26/7 (mailing-list)
- lists.fedoraproject.org/pipermail/package-announce/2014-May/133537.html (vendor-advisory)
- www.debian.org/security/2014/dsa-2894 (vendor-advisory)
Frequently asked questions
- What is CVE-2014-2653?
- CVE-2014-2653 is a medium-severity vulnerability in OpenBSD OpenSSH, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2014-03-27.
- How severe is CVE-2014-2653?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2014-2653 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.