CVE-2019-7712 : Vulnerability Insights and Analysis

A vulnerability has been found in the handler_ipcom_shell_pwd function in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The issue allows attackers to craft a path with format string modifiers, leading to an information leak.

Understanding CVE-2019-7712

This CVE identifies a vulnerability in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4.

What is CVE-2019-7712?

This vulnerability arises from improper validation of the current working directory path when the pwd command is used, allowing attackers to exploit format string modifiers to disclose memory addresses.

The Impact of CVE-2019-7712

The vulnerability enables attackers to leak sensitive information, potentially compromising the confidentiality of memory addresses.

Technical Details of CVE-2019-7712

The technical aspects of the CVE-2019-7712 vulnerability are as follows:

Vulnerability Description

The issue occurs in the handler_ipcom_shell_pwd function in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4.
Attackers can exploit the vulnerability by crafting a path with format string modifiers.

Affected Systems and Versions

Green Hills INTEGRITY RTOS 5.0.4

Exploitation Mechanism

Attackers can manipulate the pwd command to pass a crafted path with format string modifiers, leading to an information leak.

Mitigation and Prevention

To address CVE-2019-7712, consider the following mitigation strategies:

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor and restrict network access to vulnerable systems.

Long-Term Security Practices

Implement secure coding practices to prevent format string vulnerabilities.
Conduct regular security assessments and audits to identify and remediate similar issues.

Patching and Updates

Stay informed about security advisories from Green Hills and apply patches as soon as they are available.