#VU54036 Input validation error in HTMLDOC - CVE-2021-23180

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Main Vulnerability Database Vulnerabilities #VU54036

#VU54036 Input validation error in HTMLDOC - CVE-2021-23180

Published: June 10, 2021


Vulnerability identifier: #VU54036
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-23180
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
HTMLDOC
Software vendor:
Michael R Sweet

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the file_extension() function in file.c. A remote attacker can pass specially crafted URI to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links