CVE-2014-2532
First published: Tue Mar 18 2014(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/openssh | 1:8.4p1-5+deb11u3 1:9.2p1-2+deb12u2 1:9.2p1-2+deb12u3 1:9.8p1-2 1:9.8p1-3 | |
| Oracle Communications User Data Repository | =10.0.1 | |
| OpenSSH | <=6.5 | |
| OpenSSH | =6.0 | |
| OpenSSH | =6.1 | |
| OpenSSH | =6.2 | |
| OpenSSH | =6.3 | |
| OpenSSH | =6.4 |
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Reference Links
- 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
- https://exchange.xforce.ibmcloud.com/vulnerabilities/91986
- https://support.apple.com/HT205267
- https://security-tracker.debian.org/tracker/CVE-2014-2532
Frequently Asked Questions
What is the severity of CVE-2014-2532?
CVE-2014-2532 has a medium severity rating as it allows attackers to bypass intended environment restrictions.
How do I fix CVE-2014-2532?
To fix CVE-2014-2532, upgrade OpenSSH to version 6.6 or later where the wildcard issue has been addressed.
Which versions of OpenSSH are affected by CVE-2014-2532?
CVE-2014-2532 affects OpenSSH versions prior to 6.6, including 6.0 through 6.5.
Can CVE-2014-2532 allow remote code execution?
CVE-2014-2532 does not directly allow remote code execution, but it can facilitate unauthorized environment variable manipulation.
Is CVE-2014-2532 specific to any operating systems?
CVE-2014-2532 affects OpenSSH installations across multiple operating systems, including Debian and Oracle systems.
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- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
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- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/oracle
- canonical/oracle communications user data repository
- version/oracle communications user data repository/10.0.1
- vendor/openbsd
- canonical/openssh
- version/openssh/6.5
- version/openssh/6.0
- version/openssh/6.1
- version/openssh/6.2
- version/openssh/6.3
- version/openssh/6.4