CVE-2020-11524 : Exploit Details and Defense Strategies

FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write vulnerability.

Understanding CVE-2020-11524

This CVE involves a specific file in FreeRDP versions that leads to an Out-of-bounds Write vulnerability.

What is CVE-2020-11524?

CVE-2020-11524 is a vulnerability found in the libfreerdp/codec/interleaved.c file in FreeRDP versions > 1.0 through 2.0.0-rc4, allowing for an Out-of-bounds Write.

The Impact of CVE-2020-11524

The vulnerability could potentially be exploited by attackers to write beyond the bounds of allocated memory, leading to crashes, code execution, or other malicious activities.

Technical Details of CVE-2020-11524

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue lies in the libfreerdp/codec/interleaved.c file, where improper bounds checking can result in an Out-of-bounds Write.

Affected Systems and Versions

FreeRDP versions > 1.0 through 2.0.0-rc4

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a special request that triggers the Out-of-bounds Write, potentially leading to a security breach.

Mitigation and Prevention

Protecting systems from CVE-2020-11524 is crucial to maintaining security.

Immediate Steps to Take

Apply patches or updates provided by FreeRDP promptly.
Monitor security advisories for any new information or patches related to this vulnerability.

Long-Term Security Practices

Regularly update software and systems to ensure the latest security fixes are in place.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

FreeRDP has released patches to address this vulnerability; ensure all affected systems are updated to the patched versions.