SB2022062203 - SUSE update for SUSE Manager Server 4.2
Published: June 22, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Resource exhaustion (CVE-ID: CVE-2021-44906)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trick the library into adding or modifying the properties of Object.prototype, using a constructor or __proto__ payload, resulting in prototype pollution and loss of confidentiality, availability, and integrity.
2) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2022-21952)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the "/rhn/manager/frontend-log" script takes a text as a POST parameter and then it writes into the "/var/log/rhn/rhn_web_frontend.log" file. A remote non-authenticated attacker can send arbitrary amount of data to the application log and consume all available disk space, cause a denial of service condition.
3) Information Exposure Through an Error Message (CVE-ID: CVE-2022-31248)
The vulnerability allows a remote attacker to enumerate email addresses of registered users.
The vulnerability exists due to the application in /rhn/help/ForgotCredentials.do exposes information about pretense of an email address of the registered user within the application. A remote non-authenticated attacker can enumerate email addresses of application users.
Remediation
Install update from vendor's website.