#VU35883 Information disclosure in Ghostscript - CVE-2017-15652

Vulnerability identifier: #VU35883

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-15652

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 non-authenticated attacker to gain access to sensitive information.

Artifex Ghostscript 9.22 is affected by: Obtain Information. The impact is: obtain sensitive information. The component is: affected source code file, affected function, affected executable, affected libga (imagemagick used that). The attack vector is: Someone must open a postscript file though ghostscript. Because of imagemagick also use libga, so it was affected as well.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ghostscript: 9.22

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External links
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2fc463d0e
https://www.securityfocus.com/bid/108463
https://bugs.ghostscript.com/show_bug.cgi?id=698676

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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.