Wiz
Vulnerability DatabaseCVE-2022-48560

CVE-2022-48560: 
NixOS vulnerability analysis and mitigation

Overview

A use-after-free vulnerability (CVE-2022-48560) was discovered in Python versions through 3.9 affecting the heappushpop function in the heapq module. The vulnerability was discovered in January 2020 and publicly disclosed in August 2023 (Python Bug Tracker, CVE Details).

Technical details

The vulnerability exists due to the variable 'heap' in heappushpop not properly managing reference counts during comparison operations. When a custom comparison operation clears the list during comparison, it can lead to a use-after-free condition. The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (High) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (NetApp Advisory).

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS) conditions in affected applications. The vulnerability affects the availability of the system while not impacting confidentiality or integrity (NetApp Advisory).

Mitigation and workarounds

The vulnerability has been fixed in various Python distributions and operating systems. Red Hat has released patches for affected versions, and Debian has issued security updates for Python 2.7 and Python 3.7. Users are recommended to upgrade to the patched versions available through their respective package managers (Debian LTS, Fedora Update).

Additional resources

Source: This report was generated using AI

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.

Request assessment

Additional Wiz resources

Cloud Vulnerability DB

Cloud Vulnerability DB

An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues

Cloud threat landscape

Cloud threat landscape

A comprehensive threat intelligence database of cloud security incidents, actors, tools and techniques

PEACH

PEACH

A step-by-step framework for modeling and improving SaaS and PaaS tenant isolation

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
Get a demo