#VU13177 Information disclosure in Ghostscript - CVE-2018-11645

Vulnerability identifier: #VU13177

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-11645

CWE-ID: CWE-200

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 obtain potentially sensitive information.

The vulnerability exists in the psi/zfile.c code of Artifex Software Ghostscript due to improper security restrictions. A remote attacker can trick the victim into opening a specially crafted file that submits malicious input and access sensitive information, such as the existence and size of files. 

Mitigation
Update to version 9.21.

Vulnerable software versions

Ghostscript: 5.50 - 9.20

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External links
https://bugs.ghostscript.com/show_bug.cgi?id=697193

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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.