Denial of Service Vulnerability in Tidy by HTACG
CVE-2017-17497

7.5HIGH

Key Information:

Vendor

Htacg

Status
Tidy
Vendor
CVE Published:
10 December 2017

What is CVE-2017-17497?

In Tidy version 5.7.0, a vulnerability exists in the prvTidyTidyMetaCharset function located in clean.c. This flaw enables attackers to exploit the processing of 'children of the head', leading to a denial of service due to a segmentation fault. The issue arises because the currentNode variable is modified within a loop without proper validation of its new value, creating a pathway for potential crashes and service disruptions.

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References

https://github.com/htacg/tidy-html5/issues/656
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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