Heap-based buffer overflow in FreeXL - CVE-2017-2924

 

Heap-based buffer overflow in FreeXL - CVE-2017-2924

Published: September 12, 2017 / Updated: March 20, 2018


Vulnerability identifier: #VU8244
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-2017-2924
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: The Gaia-SINS Federated Project
Affected software:
FreeXL

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in the read_legacy_biff function due to heap-based buffer overflow while processing crafted XLS files. A remote attacker can trick the victim into opening a specially crafted XLS file, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2017-2924

Update to version 1.0.4.

Sources