CVE-2016-7543

high

Description

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

References

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/[email protected]/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/

https://lists.fedoraproject.org/archives/list/[email protected]/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/

https://lists.fedoraproject.org/archives/list/[email protected]/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/

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

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

Details

Source: MITRE

Published: 2017-01-19

Updated: 2018-01-05

Type: CWE-20

Risk Information

CVSS v2

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3

Base Score: 8.4

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

Impact Score: 5.9

Exploitability Score: 2.5

Severity: HIGH