openEuler update for nginx

Published: 2022-10-28

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-41742 CVE-2022-41741
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system nginx-filesystem Operating systems & Components / Operating system package or component nginx-help Operating systems & Components / Operating system package or component nginx-all-modules Operating systems & Components / Operating system package or component nginx-mod-http-xslt-filter Operating systems & Components / Operating system package or component nginx-mod-mail Operating systems & Components / Operating system package or component nginx-mod-http-perl Operating systems & Components / Operating system package or component nginx-mod-stream Operating systems & Components / Operating system package or component nginx-debuginfo Operating systems & Components / Operating system package or component nginx-mod-http-image-filter Operating systems & Components / Operating system package or component nginx-debugsource Operating systems & Components / Operating system package or component nginx Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU68495

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41742

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service attack.

The vulnerability exists due to a boundary condition within the ngx_http_mp4_module module when handling MP4 files. A remote attacker can pass a specially crafted file to the server, trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

nginx-filesystem: before 1.21.5-2

nginx-help: before 1.21.5-2

nginx-all-modules: before 1.21.5-2

nginx-mod-http-xslt-filter: before 1.21.5-2

nginx-mod-mail: before 1.21.5-2

nginx-mod-http-perl: before 1.21.5-2

nginx-mod-stream: before 1.21.5-2

nginx-debuginfo: before 1.21.5-2

nginx-mod-http-image-filter: before 1.21.5-2

nginx-debugsource: before 1.21.5-2

nginx: before 1.21.5-2

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2023

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.

2) Out-of-bounds read

EUVDB-ID: #VU68494