Improper access control in Ghostscript - CVE-2018-16539

 

Improper access control in Ghostscript - CVE-2018-16539

Published: September 9, 2018


Vulnerability identifier: #VU14733
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16539
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to an improper access restrictions when processing PostScript files within the temp directory. A remote attacker can create a specially crafted PostScript file and use it to read arbitrary files on the vulnerable system.


Affected software

Ghostscript
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power

How to mitigate CVE-2018-16539

Update to version 9.24.

Ghostscript - update to 9.24

External References

Related Security Bulletins