Denial of service in fontforge (Ubuntu package) - CVE-2017-11576

 

Denial of service in fontforge (Ubuntu package) - CVE-2017-11576

Published: September 5, 2017


Vulnerability identifier: #VU8109
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-11576
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Canonical Ltd.
Affected software:
fontforge (Ubuntu package)

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists due to an error when ensuring a positive size in a weight vector memcpy call in readcfftopdict (parsettf.c). A remote attacker can trick the victim into opening a specially crafted otf file and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-11576

Update to the latest version.

Sources