First published: Tue Apr 24 2018(Updated: )
An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.
Credit: talos-cna@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Libxls Project Libxls | =1.4 |
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CVE-2017-12109 is an integer overflow vulnerability in the xls_preparseWorkSheet function of libxls 1.4.
This vulnerability allows remote code execution by exploiting a memory corruption issue in libxls.
An attacker can exploit CVE-2017-12109 by sending a specially crafted XLS file to trigger the vulnerability.
At the moment, there is no known fix for CVE-2017-12109.
You can find more information about CVE-2017-12109 at https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461.