CVE-2021-4021
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.
Overview
- CVE ID
- CVE-2021-4021
- Assigner
- patrick@puiterwijk.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-24T19:15:09
- Last Modified Date
- 2022-12-21T15:01:19
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:* | 1 | OR | 5.5.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/radareorg/radare2/issues/19436 | Exploit Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-4021 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4021 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:47:28 | Added to TrackCVE | |||
| 2022-12-06 10:44:11 | security@elastic.co | bressers@elastic.co | CVE Assigner | updated |
| 2022-12-06 10:44:11 | 2022-02-24T19:15Z | 2022-02-24T19:15:09 | CVE Published Date | updated |
| 2022-12-06 10:44:11 | 2022-08-09T00:37:13 | CVE Modified Date | updated | |
| 2022-12-06 10:44:11 | Analyzed | Vulnerability Status | updated | |
| 2022-12-21 15:13:40 | bressers@elastic.co | patrick@puiterwijk.org | CVE Assigner | updated |
| 2022-12-21 15:13:40 | 2022-12-21T15:01:19 | CVE Modified Date | updated | |
| 2022-12-21 15:13:41 | Weakness Enumeration | update |