CVE-2018-11376 Explained : Impact and Mitigation

A crafted ELF file can lead to a denial of service and application crash in radare2 2.5.0, specifically through the vulnerability in the r_read_le32() function, which enables remote attackers to exploit a heap-based out-of-bounds read.

Understanding CVE-2018-11376

The r_read_le32() function in radare2 2.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted ELF file.

What is CVE-2018-11376?

The CVE-2018-11376 vulnerability in radare2 2.5.0 allows remote attackers to exploit a heap-based out-of-bounds read, leading to a denial of service and application crash.

The Impact of CVE-2018-11376

This vulnerability can be exploited by remote attackers to cause a denial of service and potentially crash the application by triggering a heap-based out-of-bounds read.

Technical Details of CVE-2018-11376

The technical details of the CVE-2018-11376 vulnerability in radare2 2.5.0.

Vulnerability Description

The vulnerability lies in the r_read_le32() function, allowing remote attackers to perform a heap-based out-of-bounds read, leading to a denial of service and application crash.

Affected Systems and Versions

Affected System: radare2 2.5.0
Affected Version: 2.5.0

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious ELF file to trigger the heap-based out-of-bounds read, resulting in a denial of service and potential application crash.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-11376 vulnerability.

Immediate Steps to Take

Update radare2 to a patched version that addresses the vulnerability.
Avoid opening untrusted ELF files with radare2.

Long-Term Security Practices

Regularly update software and libraries to the latest secure versions.
Implement network security measures to prevent remote attacks.

Patching and Updates

Ensure timely patching of radare2 with the latest updates to mitigate the CVE-2018-11376 vulnerability.