CVE-2016-7543

Description

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

Category

8.4
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2017-0725.html vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/ vendor advisory
https://access.redhat.com/errata/RHSA-2017:1931 vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/ vendor advisory
http://www.openwall.com/lists/oss-security/2016/09/26/9 third party advisory mailing list
https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html mailing list patch vendor advisory
http://www.securityfocus.com/bid/93183 vdb entry third party advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/ vendor advisory
http://www.securitytracker.com/id/1037812 vdb entry
https://security.gentoo.org/glsa/201701-02 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-7543?
CVE-2016-7543 has been scored as a high severity vulnerability.
How to fix CVE-2016-7543?
To fix CVE-2016-7543, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-7543 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-7543 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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