CVE-2021-3156
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- CVE-2021-3156
CVE Details
| Release Date: | 2021-01-26 | |
| Impact: | None | What is this? |
Description
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
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.8 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (sudo) | ELSA-2021-9169 | 2021-04-15 |
| Oracle Linux version 7 (sudo) | ELSA-2021-0221 | 2021-01-27 |
| Oracle Linux version 8 (sudo) | ELSA-2021-0218 | 2021-01-27 |
| Oracle VM version 3 (sudo) | OVMSA-2021-0012 | 2021-04-27 |
| Oracle VM version 3.4 (sudo) | OVMSA-2021-0003 | 2021-01-27 |
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