Information disclosure in PostgreSQL



Published: 2015-10-26 | Updated: 2020-07-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-5288
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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PostgreSQL
Server applications / Database software

Vendor PostgreSQL Global Development Group

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU32375

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-5288

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

The crypt function in contrib/pgcrypto in PostgreSQL before 9.0.23, 9.1.x before 9.1.19, 9.2.x before 9.2.14, 9.3.x before 9.3.10, and 9.4.x before 9.4.5 allows attackers to cause a denial of service (server crash) or read arbitrary server memory via a "too-short" salt.

Mitigation

Install update from vendor's website.

Vulnerable software versions

PostgreSQL: 9.0.0 - 9.4.4

External links

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172316.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169094.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00033.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00040.html
http://www.debian.org/security/2015/dsa-3374
http://www.debian.org/security/2016/dsa-3475
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.postgresql.org/about/news/1615/
http://www.postgresql.org/docs/9.0/static/release-9-0-23.html
http://www.postgresql.org/docs/9.1/static/release-9-1-19.html
http://www.postgresql.org/docs/9.2/static/release-9-2-14.html
http://www.postgresql.org/docs/9.3/static/release-9-3-10.html
http://www.postgresql.org/docs/9.4/static/release-9-4-5.html
http://www.securityfocus.com/bid/77049
http://www.securitytracker.com/id/1033775
http://www.ubuntu.com/usn/USN-2772-1
http://security.gentoo.org/glsa/201701-33


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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.



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