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.
SeverityHigh
CVSS8.4
Exploit probability—
Product
Gnu Bash
PublishedJan 19, 2017
First seenJan 19, 2017
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/
- access.redhat.com/errata/RHSA-2017:1931
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/
- security.gentoo.org/glsa/201701-02
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu bash | v ≤ 4.3 | — |
| fedoraproject fedora | 23, 24, 25 | — |
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