Information disclosure in postgresql (Alpine package)

Published: 2017-06-01

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2017-7484
CWE-ID	CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	postgresql (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU6892

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-7484

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper privilege checking before providing information from pg_statistic. A remote attacker can send a specially crafted request to bypass SELECT privilege checks, cause memory leak and steal some information from ostensibly restricted tables.

Successful exploitation of the vulnerability results in information disclosure.

Mitigation

Install update from vendor's website.

Vulnerable software versions

postgresql (Alpine package): 9.4.6-r0 - 9.4.11-r0

CPE2.3

External links

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.