SB2022111131 - Multiple vulnerabilities in Dell EMC NetWorker
Published: November 11, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Incorrect Regular Expression (CVE-ID: CVE-2022-22950)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due improper input validation when processing SpEL expressions. A remote attacker can send a specially crafted HTTP request to the affected application and perform a denial of service (DoS) attack.
2) Infinite loop (CVE-ID: CVE-2022-0778)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the BN_mod_sqrt() function when processing an ASN.1 certificate that contains elliptic curve public keys in compressed form or explicit elliptic curve parameters with a base point encoded in compressed form. A remote attacker can supply a specially crafted certificate to the TLS server or client, consume all available system resources and cause denial of service conditions.
3) Code Injection (CVE-ID: CVE-2021-42550)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation. A remote user can send a specially crafted request to the application and execute arbitrary code on the target system by tricking the application to load a malicious configuration from a remote LDAP server.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Security restrictions bypass (CVE-ID: CVE-2022-23181)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a time of check, time of use flaw when configured to persist sessions using the FileStore. A local user can perform certain actions which lead to security restrictions bypass and privilege escalation (code execution with Tomcat process privileges).
Remediation
Install update from vendor's website.