Published: 2023-09-26
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU78328
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2023-33201
CWE-ID: CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Exploit availability: No
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper input validation in applications that use an LDAP CertStore from Bouncy Castle to validate X.509 certificates. During the certificate validation process, Bouncy Castle inserts the certificate's Subject Name into an LDAP search filter without any escaping, which leads to an LDAP injection vulnerability. A remote non-authenticated attacker can use a specially crafted X.509 certificate to bypass authentication process and gain unauthorized access to the application.
Mitigation
Install update from vendor's website.
Vulnerable software versions
IBM Cloud Object Storage Systems: before 3.17.5.79
CPE2.3
External links
http://www.ibm.com/support/pages/node/7038966
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
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