#VU86559 Heap-based buffer overflow in libxls - CVE-2023-38852
Published: February 19, 2024
Vulnerability identifier: #VU86559
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-38852
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libxls
libxls
Software vendor:
libxls.sourceforge.net
libxls.sourceforge.net
Description
The vulnerability allows a remote attacker to preform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the unicode_decode_wcstombs() function in xlstool.c when parsing style records. A remote attacker can pass a specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.