CVE-2022-1962 : Vulnerability Insights and Analysis
Learn about CVE-2022-1962, a vulnerability in go/parser before Go 1.17.12 and Go 1.18.4 due to uncontrolled recursion leading to stack exhaustion. Find mitigation steps and impacted versions.
A detailed overview of CVE-2022-1962 highlighting the vulnerability in go/parser affecting versions before Go 1.17.12 and Go 1.18.4 due to uncontrolled recursion leading to stack exhaustion.
Understanding CVE-2022-1962
In this section, we will delve into the specifics of the vulnerability and its potential impact.
What is CVE-2022-1962?
The CVE-2022-1962 vulnerability involves uncontrolled recursion in the Parse functions of go/parser before Go 1.17.12 and Go 1.18.4. Attackers can exploit this issue to cause a panic due to stack exhaustion via deeply nested types or declarations.
The Impact of CVE-2022-1962
The vulnerability poses a substantial risk as attackers can trigger a stack exhaustion condition, leading to potential denial of service (DoS) attacks or system crashes.
Technical Details of CVE-2022-1962
This section will provide detailed technical insights into the vulnerability affecting go/parser.
Vulnerability Description
The vulnerability arises from uncontrolled recursion in the Parse functions, enabling attackers to exhaust the stack through deeply nested types or declarations.
Affected Systems and Versions
The vulnerability affects versions of Go standard library go/parser prior to 1.17.12 and 1.18.4. Users operating on these versions are at risk of exploitation.
Exploitation Mechanism
Attackers can exploit the vulnerability by crafting malicious inputs with deeply nested types or declarations, triggering the stack exhaustion and subsequent panic.
Mitigation and Prevention
In this section, we will discuss steps to mitigate and prevent attacks exploiting CVE-2022-1962.
Immediate Steps to Take
Users are advised to update their Go installations to version 1.17.12 or 1.18.4 to mitigate the vulnerability. Additionally, implementing input validation to restrict deeply nested inputs can also enhance security.
Long-Term Security Practices
To bolster long-term security, developers should prioritize secure coding practices, perform regular code audits, and stay informed about security updates and best practices.
Patching and Updates
Regularly monitor for security advisories from the Go project and promptly apply patches and updates to ensure protection against known vulnerabilities.