Out-of-bounds write in LibOFX - CVE-2017-2816

 

Out-of-bounds write in LibOFX - CVE-2017-2816

Published: September 14, 2017


Vulnerability identifier: #VU8430
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:P/U:Amber
CVE-ID: CVE-2017-2816
CWE-ID: CWE-787
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 execute arbitrary code on the target system.

The weakness exists in the tag parsing functionality due to out-of-bounds write when handling malicious input. A remote attacker can trick the victim into opening a specially crafted OFX file, trigger stack-based buffer overflow and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2017-2816

Cybersecurity Help is currently unaware of any official patch addressing the vulnerability.

Sources