CVE-2015-4605 Information

Description

The mcopy function in softmagic.c in file 5.x as used in the Fileinfo component in PHP before 5.4.40 5.5.x before 5.5.24 and 5.6.x before 5.6.8 does not properly restrict a certain offset value which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted string that is mishandled by a \Python script text executable\ rule.

CVSS Vector

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

Reference

http://git.php.net/?p=php-src.git;a=commit;h=f938112c495b0d26572435c0be73ac0bfe642ecd http://php.net/ChangeLog-5.php http://rhn.redhat.com/errata/RHSA-2015-1135.html http://rhn.redhat.com/errata/RHSA-2015-1186.html http://rhn.redhat.com/errata/RHSA-2015-1187.html http://www.openwall.com/lists/oss-security/2015/06/16/12 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/75233 http://www.securitytracker.com/id/1032709 https://bugs.php.net/bug.php?id=68819

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5