Resource exhaustion in Haproxy
CVE-2023-0056
An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an authenticated remote attacker to run a specially crafted malicious server in an OpenShift cluster. The biggest impact is to availability.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Haproxy
- Fedoraproject Extra Packages For Enterprise Linux — versions 8.0
- Fedoraproject Fedora — versions 36, 37
- Red Hat Ceph Storage — versions 5.0
- Red Hat Enterprise Linux — versions 9.0, 8.0
- Red Hat Openshift Container Platform — versions 4.12, 4.10, 4.11
- Red Hat Openshift Container Platform For IBM Linuxone — versions 4.12, 4.10, 4.11
- Red Hat Openshift Container Platform For Power — versions 4.12, 4.10, 4.11
- Red Hat Openshift Container Platform IBM Z Systems — versions 4.12, 4.10, 4.11
- Red Hat Software Collections
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2023-0056 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-0056?
- CVE-2023-0056 is a medium-severity vulnerability in Haproxy, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2023-03-23.
- How severe is CVE-2023-0056?
- Medium severity. CVSS v3 base score is 6.5 out of 10.