SB2023100204 - Multiple vulnerabilities in IBM MaaS360 Mobile Enterprise Gateway and VPN Module
Published: October 2, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2023-20863)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can use a specially crafted SpEL expression and perform a denial of service (DoS) attack.
2) Resource management error (CVE-ID: CVE-2023-2650)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application when processing OCSP, PKCS7/SMIME, CMS, CMP/CRMF or TS subsystems with no message size limit. A remote attacker can send specially crafted data to the application and perform a denial of service (DoS) attack.
3) Resource exhaustion (CVE-ID: CVE-2023-26048)
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 processing multipart requests in request.getParameter(). A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
4) Input validation error (CVE-ID: CVE-2023-26049)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient input validation when parsing cookies. A remote attacker can send a specially crafted HTTP request with a cookie value that starts with a double quote and force the application to read the cookie string until it sees a closing quote. Such behavior can be used to exfiltrate sensitive values from other cookies.
Remediation
Install update from vendor's website.