#VU46585 Use-after-free in Ghostscript


Published: 2020-09-03 | Updated: 2020-09-10

Vulnerability identifier: #VU46585

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14373

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

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

Vendor: Artifex Software, Inc.

Description

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

A use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25. A local attacker could supply a specially crafted PDF file to cause a denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ghostscript: 9.25


External links
http://bugs.ghostscript.com/show_bug.cgi?id=702851
http://bugzilla.redhat.com/show_bug.cgi?id=1873239
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=ece5cbbd9979cd35737b00e68267762d72feb2ea;hp=1ef5f08f2c2e27efa978f0010669ff22355c385f


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability