CVE-2020-13229 : Exploit Details and Defense Strategies

An issue was discovered in Sysax Multi Server 6.90 where a session can be hijacked by observing the sid value in any /scgi URI, as it serves as an authentication token.

Understanding CVE-2020-13229

This CVE identifies a vulnerability in Sysax Multi Server 6.90 that allows session hijacking through the sid value in /scgi URIs.

What is CVE-2020-13229?

CVE-2020-13229 is a security flaw in Sysax Multi Server 6.90 that enables unauthorized access through the sid value in /scgi URIs.

The Impact of CVE-2020-13229

The vulnerability can lead to session hijacking, allowing attackers to impersonate legitimate users and potentially gain unauthorized access to sensitive information.

Technical Details of CVE-2020-13229

Sysax Multi Server 6.90 is affected by a session hijacking vulnerability due to the exposure of the authentication token in the sid value.

Vulnerability Description

The flaw in Sysax Multi Server 6.90 allows attackers to hijack sessions by exploiting the authentication token present in the sid value of /scgi URIs.

Affected Systems and Versions

Product: Sysax Multi Server 6.90
Vendor: Sysax
Version: Not applicable

Exploitation Mechanism

Attackers can observe the sid value in any /scgi URI to obtain the authentication token and hijack sessions, potentially compromising system security.

Mitigation and Prevention

To address CVE-2020-13229, follow these steps:

Immediate Steps to Take

Monitor and restrict access to /scgi URIs.
Implement strong session management practices.
Consider implementing multi-factor authentication.

Long-Term Security Practices

Regularly update and patch Sysax Multi Server to the latest version.
Conduct security audits and penetration testing to identify vulnerabilities.
Educate users on secure session handling practices.

Patching and Updates

Apply patches provided by Sysax promptly to mitigate the session hijacking vulnerability.