CVE-2021-29627
CVSS V2 High 7.2
CVSS V3 High 7.8
Description
In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.
Overview
- CVE ID
- CVE-2021-29627
- Assigner
- secteam@freebsd.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-07T15:15:13
- Last Modified Date
- 2022-05-27T19:06:11
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | 1 | OR | 12.0 | 12.2 |
| cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:beta1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:beta2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:beta3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:beta4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.2
- Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 10
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://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20210423-0007/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-29627 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29627 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:14:38 | Added to TrackCVE | |||
| 2022-12-06 01:22:56 | 2021-04-07T15:15Z | 2021-04-07T15:15:13 | CVE Published Date | updated |
| 2022-12-06 01:22:56 | 2022-05-27T19:06:11 | CVE Modified Date | updated | |
| 2022-12-06 01:22:57 | Analyzed | Vulnerability Status | updated |