HIGH · 7.5

CVE-2022-0711

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...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
HaproxyHaproxy>= 2.2.0, < 2.2.21
RedhatOpenshift Container Platform4.0
RedhatSoftware Collections-
RedhatEnterprise Linux7.0
DebianDebian Linux11.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2022-0711?

CVE-2022-0711 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2022-0711?

CVE-2022-0711 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-0711?

Check the references section above for vendor advisories and patch information. Affected products include: Haproxy Haproxy, Redhat Openshift Container Platform, Redhat Software Collections, Redhat Enterprise Linux, Debian Debian Linux.