Vulnerability · Published Mar 23, 2023 · Assigned by redhat
CVE-2023-0056
Medium 6.5
In plain English
A medium-severity uncontrolled resource consumption in haproxy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.8%top 21.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | haproxy | 2.4.17-3.el9_1.2 | ALSA-2023:1696 |
| Debian:12 | haproxy | 2.6.8-1 | DEBIAN-CVE-2023-0056 |
| Debian:13 | haproxy | 2.6.8-1 | DEBIAN-CVE-2023-0056 |
| Debian:14 | haproxy | 2.6.8-1 | DEBIAN-CVE-2023-0056 |
| Ubuntu:22.04:LTS | haproxy | 2.4.18-0ubuntu1.1 | USN-5819-1 |
| Ubuntu:22.04:LTS | haproxy | 2.4.18-0ubuntu1.1 | UBUNTU-CVE-2023-0056 |
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H