openEuler update for systemd

Published: 2024-04-29

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-50387 CVE-2023-50868
CWE-ID	CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system systemd-help Operating systems & Components / Operating system package or component systemd-udev-compat Operating systems & Components / Operating system package or component systemd-udev Operating systems & Components / Operating system package or component systemd-libs Operating systems & Components / Operating system package or component systemd-pam Operating systems & Components / Operating system package or component systemd-debugsource Operating systems & Components / Operating system package or component systemd-journal-remote Operating systems & Components / Operating system package or component systemd-timesyncd Operating systems & Components / Operating system package or component systemd-devel Operating systems & Components / Operating system package or component systemd-container Operating systems & Components / Operating system package or component systemd-networkd Operating systems & Components / Operating system package or component systemd-nspawn Operating systems & Components / Operating system package or component systemd-resolved Operating systems & Components / Operating system package or component systemd-debuginfo Operating systems & Components / Operating system package or component systemd Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU86377

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-2023-50387

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation when processing DNSSEC related records. A remote attacker can trigger resource exhaustion by forcing the DNS server to query a specially crafted DNSSEC zone and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS SP3

systemd-help: before 243-78

systemd-udev-compat: before 243-78

systemd-udev: before 243-78

systemd-libs: before 243-78

systemd-pam: before 243-78

systemd-debugsource: before 243-78

systemd-journal-remote: before 243-78

systemd-timesyncd: before 243-78

systemd-devel: before 243-78

systemd-container: before 243-78

systemd-networkd: before 243-78

systemd-nspawn: before 243-78

systemd-resolved: before 243-78

systemd-debuginfo: before 243-78

systemd: before 243-78

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1489

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) Resource exhaustion

EUVDB-ID: #VU86378