Multiple vulnerabilities in FontForge

Published: 2017-07-24 | Updated: 2020-08-08

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-11570 CVE-2017-11573
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	FontForge Web applications / Modules and components for CMS
Vendor	fontforge.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU38651

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-11570

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

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

FontForge 20161012 is vulnerable to a buffer over-read in umodenc (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FontForge: 20161012

External links

http://github.com/fontforge/fontforge/issues/3097

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) Out-of-bounds read

EUVDB-ID: #VU38652