FreeBSD up to 6.x TSopt sys/netinet/tcp_timer.h denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability, which was classified as critical, was found in FreeBSD up to 6.x (Operating System). This affects an unknown code of the file sys/netinet/tcp_timer.h of the component TSopt Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

** UNSUPPORTED WHEN ASSIGNED ** sys/netinet/tcp_timer.h in FreeBSD before 7.0 contains a denial-of-service (DoS) vulnerability due to improper handling of TSopt on TCP connections. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

The weakness was shared 09/07/2022. It is possible to read the advisory at cgit.freebsd.org. This vulnerability is uniquely identified as CVE-2022-32264 since 06/03/2022. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 7.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cgit.freebsd.org. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Type

Name

Version

License

Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FreeBSD 7.0
Patch: cgit.freebsd.org

Timelineinfo

06/03/2022 🔍
09/07/2022 +96 days 🔍
09/07/2022 +0 days 🔍
10/13/2022 +36 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: cgit.freebsd.org
Status: Confirmed

CVE: CVE-2022-32264 (🔍)

Entryinfo

Created: 09/07/2022 09:31
Updated: 10/13/2022 13:59
Changes: 09/07/2022 09:31 (43), 10/13/2022 13:59 (10)
Complete: 🔍
Cache ID: 18:657:103

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