Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-8443 First vendor Publication 2020-01-30
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
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 : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to an off-by-one heap-based buffer overflow during the cleaning of crafted syslog msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8443

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
50 % CWE-193 Off-by-one Error

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 5

Sources (Detail)

https://github.com/ossec/ossec-hids/issues/1816
https://github.com/ossec/ossec-hids/issues/1821
https://security.gentoo.org/glsa/202007-33
https://www.ossec.net/
Source Url

Alert History

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Date Informations
2024-11-28 13:48:40
  • Multiple Updates
2022-04-27 02:06:08
  • Multiple Updates
2021-08-05 01:40:48
  • Multiple Updates
2021-07-21 17:24:34
  • Multiple Updates
2021-05-04 14:05:41
  • Multiple Updates
2021-04-22 03:10:55
  • Multiple Updates
2020-07-27 09:22:53
  • Multiple Updates
2020-05-23 02:40:51
  • First insertion