SB2024021907 - Denial of service in libxls
Published: February 19, 2024
Security Bulletin ID
SB2024021907
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2023-38852)
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 not aware of any official remediation provided by the vendor.