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CVE-2019-10127

Published: 19 March 2021

A vulnerability was found in postgresql versions 11.x prior to 11.3. The Windows installer for BigSQL-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, an attacker having both an unprivileged Windows account and an unprivileged PostgreSQL account can cause the PostgreSQL service account to execute arbitrary code. An attacker having only the unprivileged Windows account can read arbitrary data directory files, essentially bypassing database-imposed read access limitations. An attacker having only the unprivileged Windows account can also delete certain data directory files.

Notes

AuthorNote
mdeslaur
windows-specific

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
postgresql-11
Launchpad, Ubuntu, Debian
upstream Not vulnerable
(debian: Windows-specific)
xenial Does not exist

bionic Does not exist

cosmic Does not exist

disco Not vulnerable

postgresql-10
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Does not exist

bionic Not vulnerable

cosmic Not vulnerable

disco Does not exist

postgresql-9.5
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Not vulnerable

bionic Does not exist

cosmic Does not exist

disco Does not exist

postgresql-9.3
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

postgresql-9.1
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H