Vulnerability Description
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
CVSS Score
8.4
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Bash | <= 4.3 |
| Fedoraproject | Fedora | 23 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2017-0725.html
- http://www.openwall.com/lists/oss-security/2016/09/26/9Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/93183Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037812
- https://access.redhat.com/errata/RHSA-2017:1931
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.htmlPatchVendor Advisory
- https://security.gentoo.org/glsa/201701-02Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0725.html
- http://www.openwall.com/lists/oss-security/2016/09/26/9Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/93183Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037812
FAQ
What is CVE-2016-7543?
CVE-2016-7543 is a vulnerability with a CVSS score of 8.4 (HIGH). Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
How severe is CVE-2016-7543?
CVE-2016-7543 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7543?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Bash, Fedoraproject Fedora.