CVE-2020-11440 : What You Need to Know

A vulnerability in httpRpmFs in WebCLI in Wind River VxWorks 5.5 through 7 SR0640 allows for an escape from the web root, potentially leading to unauthorized access.

Understanding CVE-2020-11440

This CVE identifies a security issue in Wind River VxWorks that could be exploited to bypass web root restrictions.

What is CVE-2020-11440?

The vulnerability in httpRpmFs in WebCLI in Wind River VxWorks 5.5 through 7 SR0640 enables attackers to break out of the web root without proper validation.

The Impact of CVE-2020-11440

This vulnerability could result in unauthorized access to sensitive information or resources on affected systems, posing a risk to data confidentiality and system integrity.

Technical Details of CVE-2020-11440

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw in httpRpmFs in WebCLI in Wind River VxWorks 5.5 through 7 SR0640 lacks proper checks, allowing an escape from the web root, potentially leading to unauthorized access.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions of Wind River VxWorks 5.5 through 7 SR0640 are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating httpRpmFs in WebCLI to navigate outside the intended web root directory, gaining unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2020-11440 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Implement network segmentation to limit the impact of potential breaches.
Monitor and restrict access to sensitive areas of the system.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate users and administrators on secure coding practices and potential threats.
Employ intrusion detection and prevention systems to monitor and block malicious activities.

Patching and Updates

Ensure that all Wind River VxWorks systems running versions 5.5 through 7 SR0640 are updated with the latest patches and security fixes to mitigate the risk of exploitation.