Buffer overflow in FontForge



Published: 2019-08-29 | Updated: 2020-05-05
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-15785
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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FontForge
Web applications / Modules and components for CMS

Vendor fontforge.org

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU27553

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-2019-15785

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary in PrefsUI_LoadPrefs in prefs.c. A remote attacker can create a specially crafted file, trick the victim into opening it with the affected software, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FontForge: 20190813 - 20190820

External links

http://github.com/fontforge/fontforge/commit/626f751752875a0ddd74b9e217b6f4828713573c
http://github.com/fontforge/fontforge/pull/3886
http://security.gentoo.org/glsa/202004-14


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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