Ubuntu update for PostgreSQL

1) Stack-based buffer overflow

EUVDB-ID: #VU18861

Risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10164

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing users passwords. A remote authenticated user can change his/her password to a specially crafted string, trigger stack-based buffer overflow and execute arbitrary code on the target system or crash the PostgreSQL process.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected packages.

Ubuntu 19.04

postgresql-11 - 11.4-0ubuntu0.19.04.1

Ubuntu 18.10

postgresql-10 - 10.9-0ubuntu0.18.10.1

Ubuntu 18.04 LTS

postgresql-10 - 10.9-0ubuntu0.18.04.1

Vulnerable software versions

postgresql-11 (Ubuntu package): 11.3-0ubuntu0.19.04.1

postgresql-10 (Ubuntu package): 10.6-0ubuntu0.18.04.1 - 10.8-0ubuntu0.18.10.1

External links

http://usn.ubuntu.com/4027-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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