CVE-2021-29627
Published Apr 7, 2021
Last updated 2 years ago
Overview
- 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.
- Source
- secteam@freebsd.org
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 7.2
- Impact score
- 10
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-415
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "17AC6343-11EC-4586-91EB-D7C4D4C1699E",
"versionEndExcluding": "12.2",
"versionStartIncluding": "12.0"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "73D9C08B-8F5B-40C4-A5BD-B00D2E4C012D"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "62A178A3-6A52-4981-9A27-FB07AD8AF778"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "54A487B1-E5CE-4C76-87E8-518D24C5D86D"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7412DBD8-BB1F-48A8-AAE1-BA5C8D7BDDF7"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "833DFF5B-BC50-424A-ABCF-EC632F421B76"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9F27016E-4117-4094-BB7A-9C56E38024D9"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B149BF69-951D-47B4-996C-9E4773DA75B7"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FC271C93-EB83-4301-B7BA-F3249B71B1EA"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04329338-AC28-4A74-BE6B-CE8EC6CC37B7"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "ADBA841F-5C83-4759-84B7-B59DA1B12EA8"
}
],
"operator": "OR"
}
]
}
]