Original description
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
Affected software
- Bash ≤ 4.3 exact match
Details
- Published
- 2017-01-19
- Last modified
- 2026-06-17
- CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CWE
- CWE-20
References
- cve.org/CVE-2016-7543
- nvd.nist.gov/vuln/detail/CVE-2016-7543
- rhn.redhat.com/errata/RHSA-2017-0725.html
- www.openwall.com/lists/oss-security/2016/09/26/9
- www.securityfocus.com/bid/93183
- www.securitytracker.com/id/1037812
- access.redhat.com/errata/RHSA-2017:1931
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F...
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O...
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z...
- lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.html
- security.gentoo.org/glsa/201701-02
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