CVE-2022-0711

high-risk
Published 2022-03-02

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.

Do I need to act?

!
66.5% chance of exploitation in next 30 days
EPSS score — higher than 34% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (6)

Affected Vendors

Debian Redhat Haproxy

References (8)

Third Party Advisory https://access.redhat.com/security/cve/cve-2022-0711
Patch https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14ce...
Third Party Advisory https://www.debian.org/security/2022/dsa-5102
https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html
Third Party Advisory https://access.redhat.com/security/cve/cve-2022-0711
Patch https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14ce...
Third Party Advisory https://www.debian.org/security/2022/dsa-5102
https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html
58
/ 100
high-risk
Severity 26/34 · High
Exploitability 19/34 · Moderate
Exposure 13/34 · Low