#VU61291 Infinite loop in HAProxy - CVE-2022-0711
Published: March 14, 2022
Vulnerability identifier: #VU61291
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-0711
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
HAProxy
HAProxy
Software vendor:
HAProxy
HAProxy
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when processing HTTP responses containing the "Set-Cookie2" header. A remote attacker can send a specially crafted HTTP request to the server, consume all available system resources and cause denial of service conditions.
Remediation
Install updates from vendor's website.