Vulnerability Details : CVE-2020-8448
Potential exploit
In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a denial of service (NULL pointer dereference) via crafted messages written directly to the analysisd UNIX domain socket by a local user.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-8448
- cpe:2.3:a:ossec:ossec:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8448
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8448
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-8448
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8448
-
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/1815
CVE-2020-8448: analysisd: OS_CleanMSG segfault processing invalid msg location. · Issue #1815 · ossec/ossec-hids · GitHubExploit;Third 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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