CVE-2016-7543 Information

Description

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

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://rhn.redhat.com/errata/RHSA-2017-0725.html http://www.openwall.com/lists/oss-security/2016/09/26/9 http://www.securityfocus.com/bid/93183 http://www.securitytracker.com/id/1037812 https://access.redhat.com/errata/RHSA-2017:1931 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/ https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html https://security.gentoo.org/glsa/201701-02

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.4