Vulnerability CVE-2016-7543


Published: 2017-01-19

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

Type:

CWE-20

(Improper Input Validation)

Vendor: GNU
Product: BASH 
Version: 4.3;
Vendor: Fedoraproject
Product: Fedora 
Version:
25
24
23

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 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/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

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