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Last updated: 5/29/2016 4:40:01 PM

CVE Publication rate: 20.13

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National Cyber Awareness System

Vulnerability Summary for CVE-2014-2532

Original release date: 03/18/2014
Last revised: 04/26/2016


sshd in OpenSSH before 6.6 does not properly support wildcards on AcceptEnv lines in sshd_config, which allows remote attackers to bypass intended environment restrictions by using a substring located before a wildcard character.


CVSS Severity (version 3.0):
CVSS v3 Base Score: 4.9 Medium
Impact Score: 2.7
Exploitability Score: 1.8
CVSS Version 3 Metrics:
Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None
CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.8 MEDIUM
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: BID
Name: 66355
External Source: MLIST
Name: [security-announce] 20140315 Announce: OpenSSH 6.6 released
External Source: MANDRIVA
Name: MDVSA-2015:095
External Source: REDHAT
Name: RHSA-2014:1552
External Source: CONFIRM
Name: http://advisories.mageia.org/MGASA-2014-0143.html
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
External Source: CONFIRM
Name: http://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc
External Source: MANDRIVA
Name: MDVSA-2014:068
External Source: HP
Name: SSRT101487
External Source: UBUNTU
Name: USN-2155-1
External Source: FEDORA
Name: FEDORA-2014-6569
External Source: XF
Name: openssh-cve20142532-sec-bypass(91986)
External Source: APPLE
Name: APPLE-SA-2015-09-30-3
External Source: SECTRACK
Name: 1029925
External Source: CONFIRM
Name: https://support.apple.com/HT205267
External Source: DEBIAN
Name: DSA-2894
External Source: FEDORA
Name: FEDORA-2014-6380

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)

Change History 6 change records found - show changes