Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2023-26144
CVE-2023-26144:
JavaScript vulnerability analysis and mitigation
Overview
A Denial of Service (DoS) vulnerability was identified in the graphql package, tracked as CVE-2023-26144, affecting versions from 16.3.0 to 16.8.1. The vulnerability stems from insufficient checks in the OverlappingFieldsCanBeMergedRule.ts file when parsing large queries, which can lead to system performance degradation (Snyk Advisory, NVD).
Technical details
The vulnerability exists in the query parsing mechanism, specifically within the OverlappingFieldsCanBeMergedRule.ts file. When processing large queries with repeated fields, the system experiences significant performance degradation. The issue has been assigned a CVSS v3.1 base score of 5.3 (Medium), with attack vector being Network, attack complexity Low, and requiring no privileges or user interaction (Snyk Advisory).
Impact
When exploited, this vulnerability can cause significant performance degradation in affected systems. Testing showed that queries with 1,000 repeated fields could result in response times of approximately 2.5 seconds, while queries with 3,000 repeated fields could increase response times to approximately 21 seconds. However, it was not proven that this vulnerability could completely crash the process (GitHub Issue).
Mitigation and workarounds
The vulnerability has been fixed in version 16.8.1 of the graphql package. Users are advised to upgrade to this version or later to address the issue. The fix was implemented through improvements to the OverlappingFieldsCanBeMergedRule.ts file's handling of large queries (GitHub Release).
Additional resources
Source: This report was generated using AI
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