PulseLinuxLINUX UPDATE INTELLIGENCE
CVE Database›Document archive›CVE-2016-7543

CVE-2016-7543

bash: Specially crafted SHELLOPTS+PS4 variables allows command substitution

Loading…

Severity

Moderate

Red Hat Product Security

7

CVSS 3.0

Review impact separately from score.

Published · September 16, 2016

Updated · May 13, 2026

Description

An arbitrary command injection flaw was found in the way bash processed the SHELLOPTS and PS4 environment variables. A local, authenticated attacker could use this flaw to exploit poorly written setuid programs to elevate their privileges under certain circumstances.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0 · 6.9
AV:L/AC:M/Au:N/C:C/I:C/A:C

CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')