National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-9448 Detail

Current Description

The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297.

Source:  MITRE      Last Modified:  01/27/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2016-9448
Original release date:
01/27/2017
Last revised:
11/03/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.5 High
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://bugzilla.maptools.org/show_bug.cgi?id=2593 Issue Tracking External Source MISC http://bugzilla.maptools.org/show_bug.cgi?id=2593
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html Third Party Advisory External Source SUSE openSUSE-SU-2016:3035
http://www.debian.org/security/2017/dsa-3762 External Source DEBIAN DSA-3762
http://www.openwall.com/lists/oss-security/2016/11/18/15 Mailing List; Third Party Advisory External Source MLIST [oss-security] 20161118 Re: CVE-2016-9297 LibTIFF regression
http://www.securityfocus.com/bid/94420 Third Party Advisory; VDB Entry External Source BID 94420
https://security.gentoo.org/glsa/201701-16 External Source GENTOO GLSA-201701-16

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History 4 change records found - show changes