CVE-2016-7543

moderate-risk

Published 2017-01-19

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

Do I need to act?

0.08% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.4/10 High

LOCAL / LOW complexity

Fedora

Bash

Fedora

Fedoraproject Gnu

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

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

Third Party Advisory http://www.securityfocus.com/bid/93183

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

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

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

Third Party Advisory https://security.gentoo.org/glsa/201701-02

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

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

Third Party Advisory http://www.securityfocus.com/bid/93183

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

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

and 2 more references

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 0/34 · Minimal

Exposure 10/34 · Low