A vulnerability was found in PostgreSQL up to 12 on Windows (Database Software). It has been rated as critical. This issue affects an unknown part of the component Installer. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Windows installer for PostgreSQL 9.5 - 12 invokes system-provided executables that do not have fully-qualified paths. Executables in the directory where the installer loads or the current working directory take precedence over the intended executables. An attacker having permission to add files into one of those directories can use this to execute arbitrary code with the installer's administrative rights.

The weakness was disclosed 09/16/2020 (Website). The advisory is shared at postgresql.org. The identification of this vulnerability is CVE-2020-10733 since 03/20/2020. The exploitation is known to be difficult. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1574 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Database Software

Name

• PostgreSQL

Version

• 12

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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