CVE-2021-23180

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1967041 Issue Tracking Patch Third Party Advisory
https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a Patch Third Party Advisory
https://github.com/michaelrsweet/htmldoc/issues/418 Exploit Issue Tracking Third Party Advisory
https://ubuntu.com/security/CVE-2021-23180 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1967041 Issue Tracking Patch Third Party Advisory
https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a Patch Third Party Advisory
https://github.com/michaelrsweet/htmldoc/issues/418 Exploit Issue Tracking Third Party Advisory
https://ubuntu.com/security/CVE-2021-23180 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:htmldoc_project:htmldoc:*:*:*:*:*:*:*:*
History

21 Nov 2024, 05:51

Type Values Removed Values Added
References () https://bugzilla.redhat.com/show_bug.cgi?id=1967041 - Issue Tracking, Patch, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=1967041 - Issue Tracking, Patch, Third Party Advisory
References () https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a - Patch, Third Party Advisory () https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a - Patch, Third Party Advisory
References () https://github.com/michaelrsweet/htmldoc/issues/418 - Exploit, Issue Tracking, Third Party Advisory () https://github.com/michaelrsweet/htmldoc/issues/418 - Exploit, Issue Tracking, Third Party Advisory
References () https://ubuntu.com/security/CVE-2021-23180 - Third Party Advisory () https://ubuntu.com/security/CVE-2021-23180 - Third Party Advisory

10 Mar 2022, 19:27

Type Values Removed Values Added
CPE cpe:2.3:a:htmldoc_project:htmldoc:*:*:*:*:*:*:*:*
CWE CWE-476
CVSS v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 7.8
References (MISC) https://github.com/michaelrsweet/htmldoc/issues/418 - (MISC) https://github.com/michaelrsweet/htmldoc/issues/418 - Exploit, Issue Tracking, Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1967041 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1967041 - Issue Tracking, Patch, Third Party Advisory
References (MISC) https://ubuntu.com/security/CVE-2021-23180 - (MISC) https://ubuntu.com/security/CVE-2021-23180 - Third Party Advisory
References (MISC) https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a - (MISC) https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a - Patch, Third Party Advisory

02 Mar 2022, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-02 23:15

Updated : 2024-11-21 05:51

NVD link : CVE-2021-23180

Mitre link : CVE-2021-23180

CVE.ORG link : CVE-2021-23180

JSON object : View

Products Affected

htmldoc_project

  • htmldoc
CWE
CWE-476

NULL Pointer Dereference