Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2020-23330
CVE-2020-23330:
NixOS vulnerability analysis and mitigation
Overview
A NULL pointer dereference vulnerability was discovered in Bento4 version 06c39d9. The vulnerability exists in the AP4_Stz2Atom::GetSampleSize component located in /Core/Ap4Stz2Atom.cpp. This security flaw allows attackers to cause a denial of service (DOS) via crafted input (CVE Details, GitHub Issue).
Technical details
The vulnerability occurs in the AP4_Stz2Atom::GetSampleSize function when attempting to read memory from a NULL pointer. The issue manifests as a segmentation fault (SEGV) caused by a READ memory access where the address points to the zero page. This can be triggered by sending a specially crafted file to the mp42aac binary (GitHub Issue).
Impact
When exploited, this vulnerability leads to a denial of service condition by causing the application to crash. The issue affects the mp42aac functionality of Bento4, potentially disrupting media file processing operations (CVE Details).
Exploitability
The vulnerability can be triggered by providing a specially crafted input file to the mp42aac binary. A proof-of-concept exploit has been demonstrated, showing the crash can be reliably reproduced (GitHub Issue).
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