Untrusted search path in postgresql (Alpine package)



Published: 2020-09-06
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14350
CWE-ID CWE-426
Exploitation vector Network
Public exploit N/A
Vulnerable software
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postgresql (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Untrusted search path

EUVDB-ID: #VU45749

Risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14350

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges within the database.

The vulnerability exists due to the way PostgreSQL handles CREATE EXTENSION statements. A remote user with permission to create objects in the new extension's schema or a schema of a prerequisite extension can execute arbitrary SQL functions under the identity of the superuser in certain cases.

Mitigation

Install update from vendor's website.

Vulnerable software versions

postgresql (Alpine package): 9.5.4-r0 - 12.4-r0

postgresql (Alpine package):

External links

http://git.alpinelinux.org/aports/commit/?id=f92cc4da688e5950ed0c56a0acb88e0a4be58126


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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