Type confusion in Ghostscript - CVE-2018-16513
Published: September 7, 2018 / Updated: April 22, 2020
Vulnerability identifier: #VU14689
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16513
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists due to a type confusion condition in the setcolor function. A remote unauthenticated attacker can trick the victim into opening a specially crafted PostScript file that submits malicious input and cause the affected software to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Ghostscript
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
How to mitigate CVE-2018-16513
Update to version 9.24.
Ghostscript - update to 9.24
Ivanti Connect Secure (formerly Pulse Connect Secure) - addressed in versions 8.2R12.1, 8.3R7.1, 9.0R3.4
Ivanti Connect Secure (formerly Pulse Connect Secure) - addressed in versions 8.2R12.1, 8.3R7.1, 9.0R3.4