CVE-2019-9071 Explained : Impact and Mitigation
Learn about CVE-2019-9071, a vulnerability in GNU libiberty in GNU Binutils 2.32 causing excessive stack usage. Find out the impact, affected systems, and mitigation steps.
A problem has been identified in GNU libiberty found in GNU Binutils 2.32. This problem involves excessive stack usage in the function d_count_templates_scopes in cp-demangle.c that arises after numerous recursive calls.
Understanding CVE-2019-9071
An issue was discovered in GNU libiberty, as distributed in GNU Binutils 2.32. It is a stack consumption issue in d_count_templates_scopes in cp-demangle.c after many recursive calls.
What is CVE-2019-9071?
CVE-2019-9071 is a vulnerability in GNU libiberty found in GNU Binutils 2.32, leading to excessive stack usage in a specific function after multiple recursive calls.
The Impact of CVE-2019-9071
This vulnerability could be exploited by an attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code on the affected system.
Technical Details of CVE-2019-9071
The technical details of the CVE-2019-9071 vulnerability are as follows:
Vulnerability Description
The issue involves excessive stack consumption in the function d_count_templates_scopes in cp-demangle.c after a significant number of recursive calls.
Affected Systems and Versions
- Product: GNU Binutils 2.32
- Vendor: GNU
- Versions: All versions are affected
Exploitation Mechanism
The vulnerability can be exploited by crafting a specific attack that triggers the excessive stack usage, leading to a potential DoS or code execution.
Mitigation and Prevention
To mitigate the risks associated with CVE-2019-9071, consider the following steps:
Immediate Steps to Take
- Apply vendor patches or updates as soon as they are available.
- Monitor security advisories for any new information or patches related to this vulnerability.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement proper input validation and secure coding practices to prevent exploitation.
Patching and Updates
- Check for and apply the latest patches provided by GNU or other relevant vendors to address the CVE-2019-9071 vulnerability.