CVE-2017-12458 : Security Advisory and Response
Learn about CVE-2017-12458, a vulnerability in GNU Binutils allowing remote attackers to trigger an out-of-bounds heap read via a crafted nlm file. Find mitigation steps here.
An out of bounds heap read vulnerability in the nlm_swap_auxiliary_headers_in function of the Binary File Descriptor (BFD) library in GNU Binutils up to version 2.29 can be exploited by remote attackers through a maliciously crafted nlm file.
Understanding CVE-2017-12458
This CVE identifies a specific vulnerability in the Binary File Descriptor (BFD) library that can lead to a heap read out-of-bounds.
What is CVE-2017-12458?
The vulnerability allows remote attackers to trigger an out-of-bounds heap read by utilizing a specially crafted nlm file in the nlm_swap_auxiliary_headers_in function.
The Impact of CVE-2017-12458
The exploitation of this vulnerability can result in unauthorized access to sensitive information, potential data leaks, and may lead to further system compromise.
Technical Details of CVE-2017-12458
This section delves into the technical aspects of the CVE.
Vulnerability Description
The nlm_swap_auxiliary_headers_in function in the BFD library allows remote attackers to perform an out-of-bounds heap read through a manipulated nlm file.
Affected Systems and Versions
The vulnerability affects versions of GNU Binutils up to version 2.29.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious nlm file and utilizing it within the nlm_swap_auxiliary_headers_in function.
Mitigation and Prevention
Protecting systems from CVE-2017-12458 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the software vendor promptly.
- Implement network security measures to prevent unauthorized access.
- Monitor system logs for any suspicious activities.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Conduct security assessments and penetration testing to identify vulnerabilities.
- Educate users on safe computing practices to prevent social engineering attacks.
Patching and Updates
Ensure that the affected software, in this case, GNU Binutils, is updated to a version that includes a patch for CVE-2017-12458.