Vulnerability · Published Mar 2, 2022 · Assigned by redhat
CVE-2022-0711
High 7.5
In plain English
A high-severity infinite loop in haproxy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 16.6% (higher than 97% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)16.6%top 3.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in the way HAProxy processed HTTP responses containing the "Set-Cookie2" header. This flaw could allow an attacker to send crafted HTTP response packets which lead to an infinite loop, eventually resulting in a denial of service condition. The highest threat from this vulnerability is availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | haproxy | 2.4.13-1 | DEBIAN-CVE-2022-0711 |
| Debian:13 | haproxy | 2.4.13-1 | DEBIAN-CVE-2022-0711 |
| Debian:14 | haproxy | 2.4.13-1 | DEBIAN-CVE-2022-0711 |
Affected products (as reported)
Weakness: CWE-835
References
- https://access.redhat.com/security/cve/cve-2022-0711 x_refsource_MISC
- https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html x_refsource_MISC
- https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8 x_refsource_MISC
- DSA-5102 vendor-advisory, x_refsource_DEBIAN