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PostgreSQL: CVE-2019-10128: EnterpriseDB Windows installer does not clear permissive ACL entries

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PostgreSQL: CVE-2019-10128: EnterpriseDB Windows installer does not clear permissive ACL entries

Severity
4
CVSS
(AV:L/AC:M/Au:S/C:P/I:P/A:P)
Published
05/10/2019
Created
05/11/2019
Added
05/10/2019
Modified
03/29/2021

Description

A vulnerability was found in postgresql versions 11.x prior to 11.3. The Windows installer for EnterpriseDB-supplied PostgreSQL does not lock down the ACL of the binary installation directory or the ACL of the data directory; it keeps the inherited ACL. In the default configuration, this allows a local attacker to read arbitrary data directory files, essentially bypassing database-imposed read access limitations. In plausible non-default configurations, an attacker having both an unprivileged Windows account and an unprivileged PostgreSQL account can cause the PostgreSQL service account to execute arbitrary code.

Solution(s)

  • postgres-upgrade-10_8
  • postgres-upgrade-11_3
  • postgres-upgrade-9_4_22
  • postgres-upgrade-9_5_17
  • postgres-upgrade-9_6_13

References

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