High severity · published Mar 2, 2022
CVE-2022-0711
A flaw was found in the way HAProxy processed HTTP responses containing the "Set-Cookie2" header
7.5
CVSS
16.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)16.6% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
11.0 · source: NVD
EL
Enterprise Linux · Redhat
7.0; 8.0 · source: NVD
HA
Haproxy · Haproxy
2.2.0 before 2.2.21; 2.3.0 before 2.3.18; 2.4.0 before 2.4.13 · source: NVD
OC
Openshift Container Platform · Redhat
4.0 · source: NVD
SC
Software Collections · Redhat
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-0711
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-0711
Third Party Advisory
https://access.redhat.com/security/cve/cve-2022-0711
Patch
https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8
Third Party Advisory
https://www.debian.org/security/2022/dsa-5102
www.mail-archive.com
https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html
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