SB2025022484 - openEuler 22.03 LTS SP3 update for etcd
Published: February 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Improper Authorization (CVE-ID: CVE-2021-28235)
The vulnerability allows a remote attacker to compromise the system.
The vulnerability exists due to missing authorization to the "/debug" feature. A remote non-authenticated attacker can access the "/debug/requests" endpoint and gain unauthorized access to the application.
2) Resource exhaustion (CVE-ID: CVE-2022-3064)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when parsing large YAML documents. A remote attacker can consume excessive amounts of CPU or memory and perform a denial of service (DoS) attack.
3) Out-of-bounds write (CVE-ID: CVE-2022-34038)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the PageWriter.write() method in pagewriter.go. A remote attacker can create a specially crafted input to the application, trigger an out-of-bounds write and perform a denial of service (DoS) attack.
4) Resource exhaustion (CVE-ID: CVE-2022-41723)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in the HPACK decoder. A remote attacker can send a specially crafted HTTP/2 stream to the application, cause resource exhaustion and perform a denial of service (DoS) attack.
5) Information disclosure (CVE-ID: CVE-2023-32082)
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the LeaseTimeToLive API. A remote user can gain unauthorized access to key names associated to a lease when "Keys" parameter is true.
Remediation
Install update from vendor's website.