Multiple vulnerabilities in PostgreSQL

Published: 2018-02-09

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-1052 CVE-2018-1053
CWE-ID	CWE-20 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	PostgreSQL Server applications / Database software
Vendor	PostgreSQL Global Development Group

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Denial of service

EUVDB-ID: #VU10437

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1052

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists due to improper processing of partition keys that contains multiple expressions. A remote attacker can send specially crafted input and cause the application to crash.

Mitigation

Update to version 10.2.

Vulnerable software versions

PostgreSQL: 10.0 - 10.1

CPE2.3

cpe:2.3:a:postgresql_global_development_group:postgresql:10.1:*:*:*:*:*:*:*

External links

https://www.postgresql.org/docs/current/static/release-10-2.html

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Information disclosure

EUVDB-ID: #VU10439