Local Command Execution Vulnerability in Bash by GNU
CVE-2016-7543

8.4HIGH

Key Information:

Vendor

Gnu
Status
Bash
Vendor
CVE Published:
19 January 2017

What is CVE-2016-7543?

A vulnerability in Bash allows local users to execute arbitrary commands with root privileges by manipulating the SHELLOPTS and PS4 environment variables. This issue can be exploited when certain settings are applied, which can inadvertently grant elevated permissions to malicious users, potentially compromising system integrity. Users of affected versions of Bash should update to the latest version to ensure their systems are protected against this exploit.

References

http://rhn.redhat.com/errata/RHSA-2017-0725.html
vendor-advisoryx_refsource_REDHAT
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA
https://access.redhat.com/errata/RHSA-2017:1931
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.