Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2022-1071
CVE-2022-1071:
NixOS vulnerability analysis and mitigation
Overview
CVE-2022-1071 is a use-after-free vulnerability discovered in the mrbvmexec function within the GitHub repository mruby/mruby, affecting versions prior to 3.2. The vulnerability was identified and reported in March 2022 (Debian Security).
Technical details
The vulnerability exists in the mrbvmexec function where stack reallocation during function calls could lead to use-after-free conditions. This issue was addressed through a commit that modified how variable assignments are handled in the VM execution (GitHub Commit).
Impact
A use-after-free vulnerability could potentially allow attackers to manipulate memory after it has been freed, potentially leading to program crashes or arbitrary code execution (Debian Security).
Mitigation and workarounds
The vulnerability has been fixed in mruby version 3.2 and later. Users are advised to upgrade to the fixed version. For Debian-based systems, the fix has been implemented in version 3.1.0-3 for bookworm and 3.3.0-1 for sid and trixie releases (Debian Security).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management