FreeBSD up to 13.0-STABLE bhyve memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in FreeBSD up to 13.0-STABLE. The impacted element is an unknown function of the component bhyve. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2021-29631. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeBSD up to 13.0-STABLE (Operating System). It has been declared as critical. This vulnerability affects an unknown functionality of the component bhyve. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 08/31/2021. The advisory is shared for download at security.freebsd.org. This vulnerability was named CVE-2021-29631. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: 🔍

Timelineinfo

03/30/2021 🔍
08/31/2021 +154 days 🔍
08/31/2021 +0 days 🔍
09/03/2021 +3 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: security.freebsd.org
Status: Confirmed

CVE: CVE-2021-29631 (🔍)
GCVE (CVE): GCVE-0-2021-29631
GCVE (VulDB): GCVE-100-181672

Entryinfo

Created: 08/31/2021 07:23
Updated: 09/03/2021 08:50
Changes: 08/31/2021 07:23 (37), 09/03/2021 08:50 (2)
Complete: 🔍
Cache ID: 216::103

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