OpenShift Container Platform 4.8 update for haproxy

1) Infinite loop

EUVDB-ID: #VU61291

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0711

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.8.0 - 4.8.35

openshift-ansible (Red Hat package): 4.8.0-202106281541.p0.git.626f7a3.assembly.stream.el7 - 4.8.0-202203100145.p0.gfccb320.assembly.stream.el7

openshift (Red Hat package): 4.8.0-202107161820.p0.git.051ac4f.assembly.stream.el7 - 4.8.0-202203100757.p0.gee73ea2.assembly.stream.el8

cri-o (Red Hat package): 1.21.2-5.rhaos4.8.gitb27d974.el7 - 1.21.5-3.rhaos4.8.gitaf64931.el8

openshift-clients (Red Hat package): 4.8.0-202106281541.p0.git.1077b05.assembly.stream.el7 - 4.8.0-202202071729.p0.g9aacc90.assembly.stream.el8

haproxy (Red Hat package): 2.2.13-1.el8 - 2.2.13-2.el8

ovn2.13 (Red Hat package): 20.12.0-25.el8fdp - 20.12.0-140.el8fdp

cri-tools (Red Hat package): 1.21.0-2.el8 - 1.21.0-3.el8

ignition (Red Hat package): 2.9.0-3.rhaos4.7.git1d56dc8.el8 - 2.9.0-6.rhaos4.8.el8

butane (Red Hat package): 0.12.1-1.rhaos4.8.el8

External links

http://access.redhat.com/errata/RHSA-2022:1153

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.