Executive Summary

Informations
Name CVE-2021-34121 First vendor Publication 2023-07-18
Vendor Cve Last vendor Modification 2023-07-27

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34121

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

Source Url
MISC https://github.com/michaelrsweet/htmldoc/commit/c67bbd8756f015e33e4ba639a40c7...
https://github.com/michaelrsweet/htmldoc/issues/433

Alert History

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0
1
Date Informations
2023-07-27 21:27:21
  • Multiple Updates
2023-07-18 21:27:16
  • First insertion