CVE-2023-38852: Buffer Overflow
First published: Tue Aug 15 2023(Updated: )
Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the unicode_decode_wcstombs function in xlstool.c:266.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libxls Project Libxls | =1.6.2 |
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Reference Links
- https://github.com/libxls/libxls/issues/124
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-38852.
What is the severity of CVE-2023-38852?
The severity of CVE-2023-38852 is medium.
How does the vulnerability in libxlsv.1.6.2 allow an attacker to execute arbitrary code?
The vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code by exploiting the buffer overflow vulnerability in the unicode_decode_wcstombs function in xlstool.c:266.
How can an attacker cause a denial of service using CVE-2023-38852?
An attacker can cause a denial of service by sending a crafted XLS file to the unicode_decode_wcstombs function in xlstool.c:266, triggering the buffer overflow vulnerability in libxlsv.1.6.2.
Is there a fix available for CVE-2023-38852?
Yes, it is recommended to update to a version of libxlsv that is not affected by the vulnerability. Please refer to the vendor's website or official sources for the patch or update.
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