CVE-2019-14295 : What You Need to Know

UPX 3.95 contains an Integer overflow vulnerability in the getElfSections function, allowing remote attackers to trigger a denial of service by providing a manipulated offset.

Understanding CVE-2019-14295

This CVE involves an Integer overflow vulnerability in UPX 3.95 that can lead to a denial of service attack.

What is CVE-2019-14295?

An Integer overflow vulnerability in the getElfSections function of UPX 3.95 allows remote attackers to crash the system by providing a distorted offset that exceeds the size of the PE section in a UPX compressed executable.

The Impact of CVE-2019-14295

The vulnerability enables attackers to induce a denial of service (crash) by causing excessive memory allocation.

Technical Details of CVE-2019-14295

UPX 3.95 is susceptible to an Integer overflow vulnerability that can be exploited by attackers.

Vulnerability Description

The vulnerability in the getElfSections function of UPX 3.95 allows remote attackers to crash the system by providing a skewed offset larger than the PE section size.

Affected Systems and Versions

Product: UPX 3.95
Vendor: UPX
Version: All versions are affected

Exploitation Mechanism

Attackers exploit the vulnerability by providing a manipulated offset that triggers excessive memory allocation.

Mitigation and Prevention

To address CVE-2019-14295, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor patches promptly
Monitor security advisories for updates
Implement network segmentation to limit exposure

Long-Term Security Practices

Conduct regular security assessments
Enhance network monitoring and intrusion detection capabilities
Educate users on safe computing practices

Patching and Updates

UPX users should apply the latest patches and updates to mitigate the vulnerability.