PT-2020-20142 · Trend Micro · Ossec-Hids

Cpu · Published 2020-01-30 · Updated 2022-09-12 · CVE-2020-8442

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OSSEC-HIDS versions 2.7 through 3.5.0

Description 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.

Recommendations For OSSEC-HIDS versions 2.7 through 3.5.0, consider restricting access to the ossec-analysisd component until a patch is available. As a temporary workaround, limit the interaction with the rootcheck decoder component to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-8442

Affected Products

Ossec-Hids

References · 7

• 🔥 https://github.com/ossec/ossec-hids/issues/1820 · Exploit
• https://osv.dev/vulnerability/CVE-2020-8442 · Vendor Advisory
• https://ossec.net · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8442 · Security Note
• https://security.gentoo.org/glsa/202007-33 · Vendor Advisory
• https://github.com/ossec/ossec-hids/issues/1821 · Note
• https://t.me/cvenotify/635 · Telegram Post