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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


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 v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugzilla.maptools.org/show_bug.cgi?id=2593 Issue Tracking
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html Third Party Advisory
http://www.debian.org/security/2017/dsa-3762
http://www.openwall.com/lists/oss-security/2016/11/18/15 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94420 Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201701-16

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9448
NVD Published Date:
01/27/2017
NVD Last Modified:
11/03/2017