libvirt up to 6.x PCI Device virConnectListAllNodeDevices memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in libvirt up to 6.x. It has been declared as critical. The affected element is the function virConnectListAllNodeDevices of the component PCI Device Handler. The manipulation results in memory corruption. This vulnerability is identified as CVE-2021-3559. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in libvirt up to 6.x (Virtualization Software). Affected is the function virConnectListAllNodeDevices of the component PCI Device Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The weakness was released 05/24/2021. The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2021-3559. Technical details are known, but there is no available exploit.

Upgrading to version 7.0.0 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: 🔍

Upgrade: libvirt 7.0.0

Timelineinfo

05/19/2021 🔍
05/24/2021 +5 days 🔍
05/24/2021 +0 days 🔍
05/27/2021 +3 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-3559 (🔍)
GCVE (CVE): GCVE-0-2021-3559
GCVE (VulDB): GCVE-100-175566

Entryinfo

Created: 05/24/2021 16:43
Updated: 05/27/2021 11:52
Changes: 05/24/2021 16:43 (39), 05/27/2021 11:52 (5)
Complete: 🔍
Cache ID: 216::103

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