ovn up to 22.03.7/24.03.4/24.09.1 UDP Packet access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in ovn up to 22.03.7/24.03.4/24.09.1. This issue affects some unknown processing of the component UDP Packet Handler. The manipulation leads to access control. This vulnerability is traded as CVE-2025-0650. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in ovn up to 22.03.7/24.03.4/24.09.1 and classified as critical. This issue affects some unknown functionality of the component UDP Packet Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is integrity. The summary by CVE is:

A flaw was found in the Open Virtual Network (OVN). Specially crafted UDP packets may bypass egress access control lists (ACLs) in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized access to virtual machines and containers running on the OVN network.

It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2025-0650. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 215100 (RHEL 9 : ovn22.09 (RHSA-2025:1091)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 22.03.8, 24.03.5 or 24.09.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (215100). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 215100
Nessus Name: RHEL 9 : ovn22.09 (RHSA-2025:1091)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ovn 22.03.8/24.03.5/24.09.2

Timelineinfo

01/22/2025 🔍
01/22/2025 +0 days 🔍
02/07/2025 +16 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2025-0650 (🔍)
GCVE (CVE): GCVE-0-2025-0650
GCVE (VulDB): GCVE-100-293099

Entryinfo

Created: 01/22/2025 22:48
Updated: 02/07/2025 14:46
Changes: 01/22/2025 22:48 (51), 02/06/2025 11:34 (13), 02/07/2025 14:46 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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