CVE-2021-23180 Information

Description

A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension()in file.c may lead to execute arbitrary code and denial of service.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://ubuntu.com/security/CVE-2021-23180 https://bugzilla.redhat.com/show_bug.cgi?id=1967041 https://github.com/michaelrsweet/htmldoc/issues/418 https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8