VulnerabilityModified
CVE-2016-7543
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
HIGH 8.4EPSS 0.58%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
- CVSS 3.0
- 8.4 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.58% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- gnu/bash · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://rhn.redhat.com/errata/RHSA-2017-0725.html
- http://www.openwall.com/lists/oss-security/2016/09/26/9Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/93183Third Party Advisory, VDB 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-c05388115
- 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/
- https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.htmlPatch, Vendor 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 List, Third Party Advisory
- http://www.securityfocus.com/bid/93183Third Party Advisory, VDB 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-c05388115
- 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/
- https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201701-02Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.