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Last updated: 9/22/2014 2:23:46 PM

CVE Publication rate: 31.17

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Vulnerability Workload Index: 9.54
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National Cyber Awareness System

Vulnerability Summary for CVE-2014-2653

Original release date: 03/27/2014
Last revised: 06/26/2014
Source: US-CERT/NIST

Overview

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

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:N) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification

References to Advisories, Solutions, and Tools

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External Source: MLIST
Name: [oss-security] 20140326 CVE request: openssh client does not check SSHFP if server offers certificate
External Source: FEDORA
Name: FEDORA-2014-6380
External Source: DEBIAN
Name: DSA-2894
External Source: CONFIRM
Name: http://advisories.mageia.org/MGASA-2014-0166.html
External Source: UBUNTU
Name: USN-2164-1
External Source: FEDORA
Name: FEDORA-2014-6569
External Source: CONFIRM
Name: http://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc
External Source: MANDRIVA
Name: MDVSA-2014:068
External Source: BID
Name: 66459
External Source: CONFIRM
Name: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742513

Technical Details

Vulnerability Type (View All)