SB2016093013 - Fedora 24 update for bash
Published: September 30, 2016 Updated: April 24, 2025
Security Bulletin ID
SB2016093013
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Command injection (CVE-ID: CVE-2016-7543)
CWE-ID: CWE-77 - Command injection
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to execute arbitrary commands on the target system.
The weakness exists due to insufficient validation of user-supplied input. A local attacker can supply specially crafted SHELLOPTS and PS4 environment variables, inject and execute arbitrary commands with root privileges.
Remediation
Install update from vendor's website.