Heap-based Buffer Overflow in OSSEC-HIDS Server Component
CVE-2020-8442

8.8HIGH

Key Information:

Vendor

Ossec

Status
Ossec
Vendor
CVE Published:
30 January 2020

What is CVE-2020-8442?

In OSSEC-HIDS versions 2.7 to 3.5.0, a vulnerability exists in the ossec-analysisd server component, specifically within the rootcheck decoder. This flaw allows for a heap-based buffer overflow to occur when an authenticated client sends crafted input. As a result, this can potentially lead to unauthorized access or denial of service within the affected systems. Users are advised to review the security advisories and consider updating to secure versions.

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References

https://github.com/ossec/ossec-hids/issues/1820
x_refsource_MISC
https://github.com/ossec/ossec-hids/issues/1821
x_refsource_MISC
https://www.ossec.net/
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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