CVE-2015-8627 Information

Description

MediaWiki before 1.23.12 1.24.x before 1.24.5 1.25.x before 1.25.4 and 1.26.x before 1.26.1 do not properly normalize IP addresses containing zero-padded octets which might allow remote attackers to bypass intended access restrictions by using an IP address that was not supposed to have been allowed.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Reference

http://www.openwall.com/lists/oss-security/2015/12/21/8 http://www.openwall.com/lists/oss-security/2015/12/23/7 https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html https://phabricator.wikimedia.org/T97897

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3