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CVE-2022-21646— Lookup operations do not take into account wildcards in SpiceDB

Quick assessment

Affected
authzed spicedb
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

spice是一个企业虚拟化桌面版所使用的自适应远程呈现开源协议。该产品主要用于将用户与其虚拟桌面进行连接，能够提供与物理桌面完全相同的最终用户体验。 Spice 存在安全漏洞，该漏洞源于通配符在查找的调度中被完全忽略导致“被禁止的”通配符在排除中被忽略。

CVSS 8.1 · High EPSS 1.28% · P68

Possible ATT&CK Techniques 1 AI

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I. Basic Information for CVE-2022-21646

Vulnerability Information
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Vulnerability Title
Lookup operations do not take into account wildcards in SpiceDB
Source: CVE Program / CVE List V5
Vulnerability Description
SpiceDB is a database system for managing security-critical application permissions. Any user making use of a wildcard relationship under the right hand branch of an `exclusion` or within an `intersection` operation will see `Lookup`/`LookupResources` return a resource as "accessible" if it is *not* accessible by virtue of the inclusion of the wildcard in the intersection or the right side of the exclusion. In `v1.3.0`, the wildcard is ignored entirely in lookup's dispatch, resulting in the `banned` wildcard being ignored in the exclusion. Version 1.4.0 contains a patch for this issue. As a workaround, don't make use of wildcards on the right side of intersections or within exclusions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
双字符或匹配符号转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Spice 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
spice是一个企业虚拟化桌面版所使用的自适应远程呈现开源协议。该产品主要用于将用户与其虚拟桌面进行连接，能够提供与物理桌面完全相同的最终用户体验。 Spice 存在安全漏洞，该漏洞源于通配符在查找的调度中被完全忽略导致“被禁止的”通配符在排除中被忽略。
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 = 1.3.0 -

II. Public POCs for CVE-2022-21646

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III. Intelligence Information for CVE-2022-21646

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Patches & Fixes for CVE-2022-21646 (1)

Vendor Advisories for CVE-2022-21646 (1)

Other References for CVE-2022-21646 (1)

Other References for CVE-2022-21646 (1)

IV. Related Vulnerabilities

Same product: spicedb
Same vendor: authzed
Same weakness: CWE-155

V. Comments for CVE-2022-21646

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