CVE-2017-17497 Information

Description

In Tidy 5.7.0 the prvTidyTidyMetaCharset function in clean.c allows attackers to cause a denial of service (Segmentation Fault) because the currentNode variable in the \children of the head\ processing feature is modified in the loop without validating the new value.

CVSS Vector

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

Reference

https://github.com/htacg/tidy-html5/issues/656

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5