Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2022-40738
CVE-2022-40738:
NixOS vulnerability analysis and mitigation
Overview
A NULL pointer dereference vulnerability was discovered in Bento4 through version 1.6.0-639. The vulnerability exists in the AP4_DescriptorListWriter::Action function in Core/Ap4Descriptor.h, which is called from AP4_EsDescriptor::WriteFields and AP4_Expandable::Write (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 Base Score of 6.5 (MEDIUM) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The issue occurs specifically in the AP4_DescriptorListWriter::Action function when processing descriptor lists, which can lead to a NULL pointer dereference condition (NVD).
Impact
When exploited, this vulnerability can lead to a denial of service condition through application crash. The vulnerability affects the availability of the system but does not impact confidentiality or integrity (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than 1.6.0-639 when available. In the meantime, caution should be exercised when processing untrusted input files with affected versions of Bento4 (NVD).
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