Ubuntu update for postgresql-12



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3393
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Operating systems & Components / Operating system

postgresql-12 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU50655

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3393

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in the error message. A remote user having an UPDATE privilege on a partitioned table but lacking the SELECT privilege on some column may be able to acquire denied-column values from an error message. This vulnerability is similar to #VU30418.

Mitigation

Update the affected package postgresql-12 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 20.10

postgresql-12 (Ubuntu package): before 12.6-0ubuntu0.20.10.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-4735-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated 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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