CVE-2021-41556
CVSS V2 None
CVSS V3 Critical 10
Description
sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that can lead to Code Execution. If a victim executes an attacker-controlled squirrel script, it is possible for the attacker to break out of the squirrel script sandbox even if all dangerous functionality such as File System functions has been disabled. An attacker might abuse this bug to target (for example) Cloud services that allow customization via SquirrelScripts, or distribute malware through video games that embed a Squirrel Engine.
Overview
- CVE ID
- CVE-2021-41556
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-07-28T21:15:08
- Last Modified Date
- 2022-12-09T16:35:44
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:squirrel-lang:squirrel:*:*:*:*:*:*:*:* | 1 | OR | 2.2.5 | |
| cpe:2.3:a:squirrel-lang:squirrel:*:*:*:*:*:*:*:* | 1 | OR | 3.0 | 3.1 |
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 10
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 6
References
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-41556 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41556 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-07-28 22:00:36 | Added to TrackCVE | |||
| 2022-12-09 17:14:24 | 2022-12-09T16:35:44 | CVE Modified Date | updated | |
| 2022-12-09 17:14:24 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |