usbredir up to 0.10.x usbredirparser.c usbredirparser_serialize use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability was found in usbredir up to 0.10.x. It has been declared as critical. Affected by this vulnerability is the function usbredirparser_serialize of the file usbredirparser/usbredirparser.c. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 02/25/2022. It is possible to read the advisory at gitlab.freedesktop.org. This vulnerability is known as CVE-2021-3700 since 08/11/2021. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.11.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.freedesktop.org. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

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: usbredir 0.11.0
Patch: gitlab.freedesktop.org

Timelineinfo

08/11/2021 🔍
02/25/2022 +198 days 🔍
02/25/2022 +0 days 🔍
02/28/2022 +3 days 🔍

Sourcesinfo

Advisory: gitlab.freedesktop.org
Status: Confirmed

CVE: CVE-2021-3700 (🔍)

Entryinfo

Created: 02/25/2022 12:37
Updated: 02/28/2022 08:45
Changes: 02/25/2022 12:37 (40), 02/28/2022 08:45 (1)
Complete: 🔍

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