#VU24486 Use-after-free in FontForge


Published: 2020-01-22 | Updated: 2022-03-09

Vulnerability identifier: #VU24486

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5395

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FontForge
Web applications / Modules and components for CMS

Vendor: fontforge.org

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in "SFD_GetFontMetaData()" function in sfd.c. A remote attacker can execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FontForge: 20190801


External links
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00041.html
http://github.com/fontforge/fontforge/issues/4084


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.


Latest bulletins with this vulnerability