PostgreSQL up to 9.6/10.5 os command injection ⚔ [Disputed]

Summaryinfo

A vulnerability was found in PostgreSQL up to 9.6/10.5. It has been declared as critical. Impacted is an unknown function. Such manipulation leads to os command injection. This vulnerability is listed as CVE-2019-9193. The attack may be performed from remote. In addition, an exploit is available. The real existence of this vulnerability is still doubted at the moment.

Detailsinfo

A vulnerability, which was classified as critical, has been found in PostgreSQL up to 9.6/10.5 (Database Software). Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In PostgreSQL 9.3 through 11.2, the "COPY TO/FROM PROGRAM" function allows superusers and users in the 'pg_read_server_files' group to execute arbitrary code in the context of the database's operating system user. This functionality is enabled by default and can be abused to run arbitrary operating system commands on Windows, Linux, and macOS.

The bug was discovered 03/20/2019. The weakness was presented 04/01/2019 (Website). The advisory is available at exploit-db.com. This vulnerability is handled as CVE-2019-9193 since 02/26/2019. The exploitation is known to be easy. The attack may be launched remotely. Required for exploitation is a simple authentication. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

A public exploit has been developed by Jacob Wilkin in Ruby/Metasploit and been published even before and not after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k. The real existence of this vulnerability is still doubted at the moment.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (46813). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Not Affected

• PostgreSQL up to 9.2

Productinfo

Type

• Database Software

Name

• PostgreSQL

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4
• 9.5
• 9.6
• 10.0
• 10.1
• 10.2
• 10.3
• 10.4
• 10.5

License

• open-source

Website

• Product: https://www.postgresql.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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