CVE-2021-21813
CVSS V2 Medium 4.6
CVSS V3 High 7.8
Description
Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to memcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow.
Overview
- CVE ID
- CVE-2021-21813
- Assigner
- talos-cna@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-13T23:15:07
- Last Modified Date
- 2022-10-06T18:19:14
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
cpe:2.3:a:att:xmill:0.7:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
Reference URL | Reference Tags |
---|---|
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280 | Exploit Third Party Advisory |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-21813 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21813 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-04-20 17:00:22 | Added to TrackCVE | |||
2022-12-05 08:15:05 | 2021-08-13T23:15Z | 2021-08-13T23:15:07 | CVE Published Date | updated |
2022-12-05 08:15:05 | 2022-10-06T18:19:14 | CVE Modified Date | updated | |
2022-12-05 08:15:05 | Analyzed | Vulnerability Status | updated |