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Vulnerability DatabaseCVE-2023-50471
CVE-2023-50471:
NixOS vulnerability analysis and mitigation
Overview
A segmentation violation vulnerability was discovered in cJSON version 1.7.16, specifically in the function cJSON_InsertItemInArray within cJSON.c. The vulnerability was assigned CVE-2023-50471 and has a CVSS v3.1 base score of 7.5 (HIGH) (NVD).
Technical details
The vulnerability occurs when the newitem parameter passed to cJSON_InsertItemInArray doesn't have a prev pointer set, resulting in a null pointer dereference at cJSON.c:2287. This happens specifically in the code section where newitem->prev->next = newitem is executed (GitHub Issue).
Impact
The vulnerability can cause the application to crash due to the segmentation violation, potentially resulting in a denial of service condition (Ubuntu Notice).
Mitigation and workarounds
The vulnerability has been fixed in multiple versions across different distributions: Debian 10 (Buster) in version 1.7.10-1.1+deb10u2, Fedora 38/39/40 in version 1.7.17-1, and Ubuntu systems in their respective security updates. Users are recommended to upgrade their cjson packages to the fixed versions (Debian LTS, Fedora Update).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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