Multiple vulnerabilities in Ghostscript

Published: 2017-04-19 | Updated: 2020-08-08

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-8908 CVE-2017-7948
CWE-ID	CWE-125 CWE-190
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ghostscript Universal components / Libraries / Libraries used by multiple products
Vendor	Artifex Software, Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU39056

Risk: Medium

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

CVE-ID: CVE-2017-8908

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The mark_line_tr function in gxscanc.c in Artifex Ghostscript 9.21 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PostScript document.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Ghostscript: 9.21

CPE2.3

cpe:2.3:a:artifex_software:ghostscript:9.21:*:*:*:*:*:*:*

External links

https://www.securityfocus.com/bid/98427
https://bugs.ghostscript.com/show_bug.cgi?id=697810

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.

2) Integer overflow

EUVDB-ID: #VU39174

Risk: High

CVSSv4.0: 6.1 [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/E:U/U:Amber]

CVE-ID: CVE-2017-7948

CWE-ID: CWE-190 - Integer overflow