Vulnerability Details : CVE-2020-8442
In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a heap-based buffer overflow in the rootcheck decoder component via an authenticated client.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2020-8442
- cpe:2.3:a:ossec:ossec:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8442
1.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8442
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-8442
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8442
-
https://github.com/ossec/ossec-hids/issues/1820
CVE-2020-8442: analysisd rootcheck decoder: heap overflow in DB_File. · Issue #1820 · ossec/ossec-hids · GitHubExploit;Patch;Third Party Advisory
-
https://www.ossec.net/
OSSEC - World's Most Widely Used Host Intrusion Detection System - HIDSVendor Advisory
-
https://security.gentoo.org/glsa/202007-33
OSSEC: Multiple vulnerabilities (GLSA 202007-33) — Gentoo securityThird Party Advisory
-
https://github.com/ossec/ossec-hids/issues/1821
OSSEC-HIDS Security Audit Findings · Issue #1821 · ossec/ossec-hids · GitHubThird Party Advisory
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