Allocation of Resources Without Limits or Throttling in Open Virtual Network - CVE-2023-3153
Published: November 8, 2023
Vulnerability identifier: #VU82923
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-3153
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Open Virtual Network
Affected software:
Open Virtual Network
Open Virtual Network
Detailed vulnerability description
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.
How to mitigate CVE-2023-3153
Install updates from vendor's website.
Sources
- 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