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CVE-2024-27101— Integer overflow in chunking helper causes dispatching to miss elements or panic

Quick assessment

Affected
authzed spicedb
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SpiceDB是受 Google Zanzibar 启发的细粒度权限数据库。 SpiceDB 1.29.2之前版本存在安全漏洞，该漏洞源于CheckPermission, BulkCheckPermission, 和LookupSubjects API方法存在整数溢出漏洞。

CVSS 7.3 · High EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-27101

Vulnerability Information
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Vulnerability Title
Integer overflow in chunking helper causes dispatching to miss elements or panic
Source: CVE Program / CVE List V5
Vulnerability Description
SpiceDB is an open source, Google Zanzibar-inspired database for creating and managing security-critical application permissions. Integer overflow in chunking helper causes dispatching to miss elements or panic. Any SpiceDB cluster with any schema where a resource being checked has more than 65535 relationships for the same resource and subject type is affected by this problem. The CheckPermission, BulkCheckPermission, and LookupSubjects API methods are affected. This vulnerability is fixed in 1.29.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
SpiceDB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SpiceDB是受 Google Zanzibar 启发的细粒度权限数据库。 SpiceDB 1.29.2之前版本存在安全漏洞，该漏洞源于CheckPermission, BulkCheckPermission, 和LookupSubjects API方法存在整数溢出漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
authzed spicedb < 1.29.2 -

II. Public POCs for CVE-2024-27101

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8202 chars
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III. Intelligence Information for CVE-2024-27101

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Patches & Fixes for CVE-2024-27101 (1)

Vendor Advisories for CVE-2024-27101 (1)

IV. Related Vulnerabilities

Same product: spicedb
Same vendor: authzed
Same weakness: CWE-190

V. Comments for CVE-2024-27101

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