CVE-2021-3468
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered.
Overview
- CVE ID
- CVE-2021-3468
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-02T16:15:08
- Last Modified Date
- 2023-01-20T02:24:25
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:* | 1 | OR | 0.6 | 0.8 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1939614 | Issue Tracking |
| https://lists.debian.org/debian-lts-announce/2022/06/msg00009.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3468 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3468 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:12:09 | Added to TrackCVE | |||
| 2022-12-05 03:27:16 | 2021-06-02T16:15Z | 2021-06-02T16:15:08 | CVE Published Date | updated |
| 2022-12-05 03:27:16 | 2022-06-07T21:15:14 | CVE Modified Date | updated | |
| 2022-12-05 03:27:16 | Undergoing Analysis | Vulnerability Status | updated | |
| 2022-12-05 03:27:20 | References | updated | ||
| 2023-01-20 03:12:04 | 2023-01-20T02:24:25 | CVE Modified Date | updated | |
| 2023-01-20 03:12:04 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |