Denial of service in Ghostscript



Published: 2017-11-21 | Updated: 2018-05-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-10317
CWE-ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Ghostscript
Universal components / Libraries / Libraries used by multiple products

Vendor Artifex Software, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU12609

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-10317

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The weakness exists in the fill_threshhold_buffer function in base/gxht_thresh.c due to heap-based buffer overflow. A remote attacker can submit a specially crafted PostScript document, trigger memory corruption and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Ghostscript: 9.20

External links

http://git.ghostscript.com/?p=ghostpdl.git;h=362ec9daadb9992b0def3520cd1dc6fa52edd1c4


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.



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