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CVE-2016-7543

Date: January 19, 2017

Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.

Language: C

Severity Score

Related Resources (16)

https://security.gentoo.org/glsa/201701-02
https://security-tracker.debian.org/tracker/CVE-2016-7543
https://nvd.nist.gov/vuln/detail/CVE-2016-7543
https://access.redhat.com/security/cve/CVE-2016-7543
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
http://www.securityfocus.com/bid/93183
http://rhn.redhat.com/errata/RHSA-2017-0725.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/
https://access.redhat.com/errata/RHSA-2017:1931
http://www.securitytracker.com/id/1037812
https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html
http://www.openwall.com/lists/oss-security/2016/09/26/9
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7543
https://www.mend.io/vulnerability-database/CVE-2016-7543

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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