CVE-2019-14250 : What You Need to Know

A problem was found in GNU libiberty, which is included in GNU Binutils 2.32. The vulnerability in simple-object-elf.c can lead to a buffer overflow in the heap due to an integer overflow.

Understanding CVE-2019-14250

What is CVE-2019-14250?

CVE-2019-14250 is a vulnerability in GNU libiberty, part of GNU Binutils 2.32, that can result in a heap-based buffer overflow.

The Impact of CVE-2019-14250

The vulnerability can be exploited to trigger a buffer overflow, potentially leading to arbitrary code execution or a denial of service.

Technical Details of CVE-2019-14250

Vulnerability Description

The issue arises from the simple_object_elf_match function in simple-object-elf.c not handling a zero shstrndx value correctly, causing an integer overflow and subsequent heap-based buffer overflow.

Affected Systems and Versions

Affected software: GNU Binutils 2.32
Versions: Not specified

Exploitation Mechanism

The vulnerability can be exploited by an attacker to craft a malicious ELF file, leading to the execution of arbitrary code or a denial of service.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security patches provided by the software vendor.
Monitor vendor advisories and security mailing lists for updates.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement secure coding practices to prevent buffer overflows and other common vulnerabilities.

Patching and Updates

Ensure that all affected systems are updated with the latest patches to mitigate the CVE-2019-14250 vulnerability.