Permissions, Privileges, and Access Controls in PostgreSQL - CVE-2019-10208

 

Permissions, Privileges, and Access Controls in PostgreSQL - CVE-2019-10208

Published: August 8, 2019


Vulnerability identifier: #VU20003
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-10208
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PostgreSQL Global Development Group
Affected software:
PostgreSQL

Detailed vulnerability description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to way PostreSQL processes SECURITY DEFINER functions. A privileged attacker with EXECUTE permission, which must itself contain a function call having inexact argument type match, can execute arbitrary SQL query under the identity of the function owner.


How to mitigate CVE-2019-10208

Install updates from vendor's website.

Sources