Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2021-39677
CVE-2021-39677:
NixOS vulnerability analysis and mitigation
Overview
In startVideoStream() there is a possibility of an Out-of-Bounds (OOB) Read in the heap when the camera buffer is 'zero' in size. This vulnerability affects Android 11 and was assigned Android ID: A-205097028 (Android Bulletin).
Technical details
The vulnerability is classified as an Out-of-Bounds Read issue (CWE-125) that occurs in the heap memory region. The CVSS v3.1 base score is 7.5 (HIGH) with the following vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. The CVSS v2.0 base score is 5.0 (MEDIUM) with vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (NVD).
Impact
The vulnerability allows an attacker to read out-of-bounds memory locations in the heap when the camera buffer size is zero. This could potentially lead to information disclosure of sensitive data stored in adjacent memory locations (NVD).
Mitigation and workarounds
The vulnerability was addressed in the Android Security Bulletin of February 2022. Users should update their Android devices to the latest security patch level that includes fixes for this vulnerability (Android Bulletin).
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