PT-2021-20162 · Falco · Falco

Published 2021-07-15 · Updated 2021-07-28 · CVE-2021-33505

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Falco versions prior to 0.29.1

Description A local malicious user can circumvent the Falco detection engine by running a program that alters arguments of system calls being executed. This issue is related to a Time-of-check Time-of-use (TOCTOU) Race Condition.

Recommendations For Falco versions prior to 0.29.1, update to version 0.29.1 or later to resolve the issue.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2021-33505

Affected Products

Falco

References · 7

• https://github.com/falcosecurity/falco/pull/1675 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-33505 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33505 · Vendor Advisory
• https://github.com/falcosecurity/falco/releases · Note
• https://t.me/cvenotify/17659 · Telegram Post
• https://t.me/cvenotify/18252 · Telegram Post
• https://t.me/cibsecurity/26177 · Telegram Post