Heap-based buffer over-read in LibOFX - CVE-2017-14731

 

Heap-based buffer over-read in LibOFX - CVE-2017-14731

Published: May 7, 2018 / Updated: May 16, 2018


Vulnerability identifier: #VU12760
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-2017-14731
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
LibOFX

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in ofx_proc_file in ofx_preproc.cpp due to a boundary error. A remote attacker can trick the victim into opening a specially crafted file, as demonstrated by an ofxdump call, trigger heap-based buffer over-read and cause the service to crash.


How to mitigate CVE-2017-14731

Install update from vendor's website.

Sources