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CVE-2016-7543

Good to know:

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

8.4

Related Resources (16)

Url: https://security.gentoo.org/glsa/201701-02

Url: https://security-tracker.debian.org/tracker/CVE-2016-7543

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-7543

Url: https://access.redhat.com/security/cve/CVE-2016-7543

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115

Url: http://www.securityfocus.com/bid/93183

Url: http://rhn.redhat.com/errata/RHSA-2017-0725.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/

Url: https://access.redhat.com/errata/RHSA-2017:1931

Url: http://www.securitytracker.com/id/1037812

Url: https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html

Url: http://www.openwall.com/lists/oss-security/2016/09/26/9

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7543

Url: https://www.mend.io/vulnerability-database/CVE-2016-7543

Severity Score

8.4

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

Upgrade Version

Upgrade to version bash-4.4-rc2

CVSS v3.1

Base Score:	8.4
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:	7.2
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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