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Advisories

Parse Server 9.7.0 before 9.10.5-alpha.10 Installation Update Misdirection via Installation ID

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Severity
medium
Date
Affecting

  • parse-server >= 9.7.0, < 9.10.5-alpha.10

CWE
  • CWE-639 Authorization Bypass Through User-Controlled Key
CVSS
6.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
mtrezza
Description
Parse Server from 9.7.0 before 9.10.5-alpha.10 contains an authorization flaw that applies _Installation updates addressed by object ID to the installation named in the X-Parse-Installation-Id header. When protectedFieldsTriggerExempt is enabled, attackers knowing another installation's object ID can make a beforeSave trigger process that installation's protected fields while writing elsewhere.

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