CVE Details

Release Date:2021-04-09


Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.

See more information about CVE-2021-3156 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: Base Metrics:
Access Vector: Undefined Attack Complexity: Undefined
Privileges Required: None User Interaction: None
Scope: Unchanged Confidentiality Impact: Undefined
Integrity Impact: Undefined Availability Impact: Undefined

Errata information

PlatformErrataRelease Date
Oracle Linux version 6 (sudo)ELSA-2021-91692021-04-15
Oracle Linux version 7 (sudo)ELSA-2021-02212021-01-27
Oracle Linux version 8 (sudo)ELSA-2021-02182021-01-27
Oracle VM version 3.4 (sudo)OVMSA-2021-00032021-01-27

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team