openEuler update for haproxy



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-0711
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

haproxy-help
Operating systems & Components / Operating system package or component

haproxy-debugsource
Operating systems & Components / Operating system package or component

haproxy-debuginfo
Operating systems & Components / Operating system package or component

haproxy
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

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 repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP3

haproxy-help: before 2.2.16-3

haproxy-debugsource: before 2.2.16-3

haproxy-debuginfo: before 2.2.16-3

haproxy: before 2.2.16-3

CPE2.3 External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1578


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.



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