CVE-2022-22333 : Security Advisory and Response
Discover the details of CVE-2022-22333, a medium-severity buffer overflow vulnerability affecting IBM Sterling Secure Proxy. Learn about its impact, affected versions, and mitigation steps.
A buffer overflow vulnerability has been identified in the IBM Sterling Secure Proxy and IBM Sterling External Authentication Server. This CVE was made public on February 22, 2022, and has a base severity of MEDIUM.
Understanding CVE-2022-22333
This section delves into the details of the vulnerability, its impact, affected systems, and mitigation strategies.
What is CVE-2022-22333?
IBM Sterling Secure Proxy versions 6.0.3.0, 6.0.2.0, and 3.4.3.2, along with IBM Sterling External Authentication Server, are susceptible to a buffer overflow. The vulnerability arises from the Jetty-based GUI in the Secure Zone failing to validate the sizes of form content and HTTP headers properly.
The Impact of CVE-2022-22333
The vulnerability allows a local attacker within the Secure Zone to disrupt service by submitting a specially crafted HTTP request. With a CVSS base score of 6.5, the availability impact is rated as HIGH.
Technical Details of CVE-2022-22333
Let's explore the technical aspects of this vulnerability in more detail.
Vulnerability Description
The buffer overflow in the IBM Sterling Secure Proxy and External Authentication Server arises due to improper validation of form content and HTTP headers in the Jetty GUI within the Secure Zone.
Affected Systems and Versions
The affected products include IBM Sterling Secure Proxy versions 3.4.3.2, 6.0.3.0, and 6.0.2.0, as well as IBM Sterling External Authentication Server.
Exploitation Mechanism
A local attacker positioned inside the Secure Zone can exploit this vulnerability by submitting a malicious HTTP request, leading to a denial of service.
Mitigation and Prevention
It is crucial to take immediate steps to secure the affected systems and prevent exploitation in the future.
Immediate Steps to Take
Users are advised to apply official fixes provided by IBM to address this vulnerability. Additionally, monitoring network traffic for any suspicious activity is recommended.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security assessments, and keeping systems up to date with patches are essential for long-term security.
Patching and Updates
Regularly check for security updates and patches from IBM to ensure the protection of your systems against known vulnerabilities.