Vulnerability Monitor

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CVE-2021-23180

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.

Published

2022-03-02T23:15:08.283

Last Modified

2024-11-21T05:51:20.380

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-476
Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	htmldoc_project	htmldoc	≤ 1.9.12	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=1967041 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a Patch, Third Party Advisory ([email protected])
https://github.com/michaelrsweet/htmldoc/issues/418 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://ubuntu.com/security/CVE-2021-23180 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1967041 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/michaelrsweet/htmldoc/issues/418 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ubuntu.com/security/CVE-2021-23180 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)