#VU15785 Improper input validation in Ghostscript - CVE-2018-16541

Vulnerability identifier: #VU15785

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-16541

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ghostscript
Universal components / Libraries / Libraries used by multiple products

Vendor: Artifex Software, Inc.

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can supply crafted PostScript files, use incorrect free logic in pagedevice replacement and crash the interpreter.

Mitigation
Update to version 9.24.

Vulnerable software versions

Ghostscript: 5.50 - 9.23

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External links
https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=241d91112771a6104de10b3948c3f350d6690c1d

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.