CVE-2017-11328 : Security Advisory and Response

A vulnerability called heap buffer overflow has been identified in the yr_object_array_set_item() function in object.c within YARA 3.x. This vulnerability enables an attacker to initiate a denial-of-service attack by scanning a manipulated .NET file.

Understanding CVE-2017-11328

YARA 3.x is affected by a heap buffer overflow vulnerability that can be exploited for denial-of-service attacks.

What is CVE-2017-11328?

The vulnerability in the yr_object_array_set_item() function in YARA 3.x allows attackers to trigger denial-of-service attacks by scanning a crafted .NET file.

The Impact of CVE-2017-11328

This vulnerability could lead to denial-of-service attacks, potentially disrupting the availability of systems running YARA 3.x.

Technical Details of CVE-2017-11328

YARA 3.x is susceptible to a heap buffer overflow vulnerability.

Vulnerability Description

The vulnerability exists in the yr_object_array_set_item() function in object.c within YARA 3.x, enabling attackers to launch denial-of-service attacks.

Affected Systems and Versions

Product: YARA 3.x
Vendor: N/A
Versions: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by scanning a manipulated .NET file, potentially causing a denial-of-service condition.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-11328 vulnerability.

Immediate Steps to Take

Update YARA to the latest version to patch the vulnerability.
Avoid scanning untrusted or manipulated .NET files.

Long-Term Security Practices

Regularly update and patch software to mitigate potential vulnerabilities.
Implement network security measures to detect and prevent malicious activities.

Patching and Updates

Ensure timely installation of security patches and updates to protect systems from known vulnerabilities.