CVE-2016-4472 Information

Description

The overflow protection in Expat is removed by compilers with certain optimization settings which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/91528 http://www.ubuntu.com/usn/USN-3013-1 https://bugzilla.redhat.com/show_bug.cgi?id=1344251 https://security.gentoo.org/glsa/201701-21 https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde https://www.tenable.com/security/tns-2016-20

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1