openEuler update for mod_wsgi

1) Security features bypass

EUVDB-ID: #VU66201

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-2255

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to mod_wsgi does not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker can pass a trusted proxy IP address via the X-Client-IP HTTP header and bypass implemented security restrictions.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

mod_wsgi-debugsource: before 4.6.4-3

python3-mod_wsgi: before 4.6.4-3

mod_wsgi-debuginfo: before 4.6.4-3

mod_wsgi: before 4.6.4-3

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
• cpe:2.3:o:openeuler:mod_wsgi-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-mod_wsgi:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:mod_wsgi-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:mod_wsgi:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1827

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.