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.
http://advisories.mageia.org/MGASA-2014-0143.html
http://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
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://marc.info/?l=openbsd-security-announce&m=139492048027313&w=2
http://rhn.redhat.com/errata/RHSA-2014-1552.html
http://secunia.com/advisories/57488
http://secunia.com/advisories/57574
http://secunia.com/advisories/59313
http://secunia.com/advisories/59855
http://www.debian.org/security/2014/dsa-2894
http://www.mandriva.com/security/advisories?name=MDVSA-2014:068
http://www.mandriva.com/security/advisories?name=MDVSA-2015:095
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.securityfocus.com/bid/66355
http://www.securitytracker.com/id/1029925
http://www.ubuntu.com/usn/USN-2155-1
Source: MITRE
Published: 2014-03-18
Updated: 2018-07-19
Type: CWE-264
Base Score: 5.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N
Impact Score: 4.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 4.9
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Impact Score: 2.7
Exploitability Score: 1.8
Severity: MEDIUM