Permissions, Privileges, and Access Controls in PostgreSQL - CVE-2019-10127
Published: May 10, 2019
Vulnerability identifier: #VU18421
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-10127
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the BigSQL Windows installer does not remove permissive ACL entries from installed files and directories. A local user can gain unauthorized access to PostgreSQL directory.
Affected software
PostgreSQL
postgresql (Alpine package)
Dell Security Management Server
postgresql (Alpine package)
Dell Security Management Server
How to mitigate CVE-2019-10127
Install updates from vendor's website.
PostgreSQL - addressed in versions 9.4.22, 9.5.17, 9.6.13, 10.8, 11.3
postgresql (Alpine package) - update to 11.3-r0
Dell Security Management Server - update to 11.0.1
postgresql (Alpine package) - update to 11.3-r0
Dell Security Management Server - update to 11.0.1