SB2023110861 - Denial of service in Open Virtual Network OVN
Published: November 8, 2023
Security Bulletin ID
SB2023110861
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2023-3153)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper rate limitation in the service monitor MAC. A remote attacker can perform a denial of service attack against deployments with CoPP enabled and properly configured.
Remediation
Install update from vendor's website.
References
- https://mail.openvswitch.org/pipermail/ovs-announce/2023-August/000327.html
- https://access.redhat.com/security/cve/CVE-2023-3153
- https://bugzilla.redhat.com/show_bug.cgi?id=2213279
- https://mail.openvswitch.org/pipermail/ovs-dev/2023-August/407553.html
- https://github.com/ovn-org/ovn/commit/9a3f7ed905e525ebdcb14541e775211cbb0203bd
- https://github.com/ovn-org/ovn/issues/198