Improper Input Validation Affecting bash package, versions <4.3-14ubuntu1.2
Threat Intelligence
EPSS
0.15% (52nd
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1604-BASH-351578
- published 19 Jan 2017
- disclosed 19 Jan 2017
Introduced: 19 Jan 2017
CVE-2016-7543 Open this link in a new tabHow to fix?
Upgrade Ubuntu:16.04 bash to version 4.3-14ubuntu1.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bash package and not the bash package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-7543
- https://security-tracker.debian.org/tracker/CVE-2016-7543
- 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://security.gentoo.org/glsa/201701-02
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
- https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html
- http://www.openwall.com/lists/oss-security/2016/09/26/9
- http://rhn.redhat.com/errata/RHSA-2017-0725.html
- https://access.redhat.com/errata/RHSA-2017:1931
- http://www.securityfocus.com/bid/93183
- http://www.securitytracker.com/id/1037812
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/