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Vulnerability Details :

CVE-2021-29627

Summary
Assigner-freebsd
Assigner Org ID-63664ac6-956c-4cba-a5d0-f46076e16109
Published At-07 Apr, 2021 | 14:45
Updated At-03 Aug, 2024 | 22:11
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:freebsd
Assigner Org ID:63664ac6-956c-4cba-a5d0-f46076e16109
Published At:07 Apr, 2021 | 14:45
Updated At:03 Aug, 2024 | 22:11
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
n/a
Product
FreeBSD
Versions
Affected
  • FreeBSD 12.2-RELEASE before p6
Problem Types
TypeCWE IDDescription
textN/ADouble free or use after free
Type: text
CWE ID: N/A
Description: Double free or use after free
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210423-0007/
x_refsource_CONFIRM
Hyperlink: https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc
Resource:
x_refsource_MISC
Hyperlink: https://security.netapp.com/advisory/ntap-20210423-0007/
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc
x_refsource_MISC
x_transferred
https://security.netapp.com/advisory/ntap-20210423-0007/
x_refsource_CONFIRM
x_transferred
Hyperlink: https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://security.netapp.com/advisory/ntap-20210423-0007/
Resource:
x_refsource_CONFIRM
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secteam@freebsd.org
Published At:07 Apr, 2021 | 15:15
Updated At:27 May, 2022 | 19:06

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary2.07.2HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 7.2
Base severity: HIGH
Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CPE Matches
FreeBSD Foundation
freebsd
>>freebsd>>Versions from 12.0(inclusive) to 12.2(exclusive)
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>12.2
cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>12.2
cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>12.2
cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>13.0
cpe:2.3:o:freebsd:freebsd:13.0:beta1:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>13.0
cpe:2.3:o:freebsd:freebsd:13.0:beta2:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>13.0
cpe:2.3:o:freebsd:freebsd:13.0:beta3:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>13.0
cpe:2.3:o:freebsd:freebsd:13.0:beta4:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>13.0
cpe:2.3:o:freebsd:freebsd:13.0:rc1:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>13.0
cpe:2.3:o:freebsd:freebsd:13.0:rc2:*:*:*:*:*:*
FreeBSD Foundation
freebsd
>>freebsd>>13.0
cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-415Primarynvd@nist.gov
CWE-416Primarynvd@nist.gov
CWE ID: CWE-415
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-416
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.ascsecteam@freebsd.org
Vendor Advisory
https://security.netapp.com/advisory/ntap-20210423-0007/secteam@freebsd.org
Third Party Advisory
Hyperlink: https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc
Source: secteam@freebsd.org
Resource:
Vendor Advisory
Hyperlink: https://security.netapp.com/advisory/ntap-20210423-0007/
Source: secteam@freebsd.org
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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