Heap-based buffer overflow in fontforge (Ubuntu package) - CVE-2017-11574

 

Heap-based buffer overflow in fontforge (Ubuntu package) - CVE-2017-11574

Published: September 5, 2017


Vulnerability identifier: #VU8106
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-11574
CWE-ID: CWE-122
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 heap-based buffer overflow in readcffset (parsettf.c). A remote attacker can trick the victim into opening a specially crafted otf file and cause the application to crash or execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2017-11574

Update to the latest version.

Sources