CVE-2018-0352 : Vulnerability Insights and Analysis

A weakness has been identified in the Disk Check Tool (disk-check.sh) used by Cisco Wide Area Application Services (WAAS) Software, allowing a local attacker to escalate privileges to root.

Understanding CVE-2018-0352

What is CVE-2018-0352?

This vulnerability in Cisco WAAS Software enables a local attacker with valid user credentials and super user privileges to elevate their privileges to root by exploiting inadequate verification of script files.

The Impact of CVE-2018-0352

If successfully exploited, the attacker can gain root-level privileges and full control over the affected device, posing a significant security risk.

Technical Details of CVE-2018-0352

Vulnerability Description

The vulnerability arises from insufficient validation of script files executed within the Disk Check Tool's context, allowing an attacker to replace legitimate scripts with malicious ones.

Affected Systems and Versions

Product: Cisco Wide Area Application Services unknown
Version: Cisco Wide Area Application Services unknown

Exploitation Mechanism

Attacker with valid user credentials and super user privileges swaps a legitimate script file with a malicious one during the Disk Check Tool's execution.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security updates from Cisco to address this vulnerability.
Monitor Cisco's security advisories for any patches or workarounds.

Long-Term Security Practices

Regularly review and update access controls and user privileges.
Conduct security training to educate users on best practices to prevent privilege escalation.

Patching and Updates

Cisco has released patches to mitigate this vulnerability, ensuring users apply the updates promptly.