CVE-2016-3945 Information

Description

Multiple integer overflows in the (1) cvt_by_strip and (2) cvt_by_tile functions in the tiff2rgba tool in LibTIFF 4.0.6 and earlier when -b mode is enabled allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image which triggers an out-of-bounds write.

CVSS Vector

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

Reference

http://bugzilla.maptools.org/show_bug.cgi?id=2545 http://lists.opensuse.org/opensuse-updates/2016-09/msg00039.html http://rhn.redhat.com/errata/RHSA-2016-1546.html http://rhn.redhat.com/errata/RHSA-2016-1547.html http://www.debian.org/security/2017/dsa-3762 http://www.openwall.com/lists/oss-security/2016/04/08/6 http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/85960 https://bugzilla.redhat.com/show_bug.cgi?id=1325093 https://security.gentoo.org/glsa/201701-16

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8