QEMU up to 4.5.x SLiRP Networking udp6_input out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in QEMU up to 4.5.x. Affected is the function udp6_input of the component SLiRP Networking. Executing a manipulation can lead to out-of-bounds. This vulnerability appears as CVE-2021-3593. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in QEMU up to 4.5.x (Virtualization Software) and classified as problematic. This vulnerability affects the function udp6_input of the component SLiRP Networking. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality.

The weakness was presented 06/16/2021. The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2021-3593. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 209571 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.6.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209571). 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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209571
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QEMU 4.6.0

Timelineinfo

06/10/2021 🔍
06/16/2021 +6 days 🔍
06/16/2021 +0 days 🔍
10/25/2024 +1227 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-3593 (🔍)
GCVE (CVE): GCVE-0-2021-3593
GCVE (VulDB): GCVE-100-177088

Entryinfo

Created: 06/16/2021 08:10
Updated: 10/25/2024 09:57
Changes: 06/16/2021 08:10 (39), 06/18/2021 17:06 (5), 10/25/2024 09:57 (16)
Complete: 🔍
Cache ID: 216::103

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

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