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CVE-2021-3899

Date: June 3, 2024

There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.

Language: Python

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2021-3899
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3899
https://www.cve.org/CVERecord?id=CVE-2021-3899
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376
https://ubuntu.com/security/notices/USN-5427-1
https://www.mend.io/vulnerability-database/CVE-2021-3899

Severity Score

Weakness Type (CWE)

Time-of-check Time-of-use (TOCTOU) Race Condition

CWE-367

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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