CVE-2016-9448 : The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to caus

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.

Published 2017-01-27 17:59:00

Updated 2018-10-30 16:27:37

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2016-9448

Libtiff » Libtiff » Version: 4.0.6
cpe:2.3:a:libtiff:libtiff:4.0.6:*:*:*:*:*:*:*
Matching versions
Opensuse » Opensuse » Version: 13.2
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-9448

EPSS FAQ

1.15%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 85 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-9448

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2016-9448

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-9448

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html

[security-announce] openSUSE-SU-2016:3035-1: important: Security update
Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/201701-16

libTIFF: Multiple vulnerabilities (GLSA 201701-16) — Gentoo security

CVEs referencing this url
http://bugzilla.maptools.org/show_bug.cgi?id=2593

Bug 2593 – CVE-2016-9448: Invalid read of size 1 in TIFFFetchNormalTag (tif_dirread.c:5180)
Issue Tracking
http://www.securityfocus.com/bid/94420

LibTIFF 'tif_dirread.c' Incomplete Fix Denial of Service Vulnerability
Third Party Advisory;VDB Entry
http://www.debian.org/security/2017/dsa-3762

Debian -- Security Information -- DSA-3762-1 tiff

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2016/11/18/15

oss-security - Re: CVE-2016-9297 LibTIFF regression
Mailing List;Third Party Advisory

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Vulnerability Details : CVE-2016-9448

Products affected by CVE-2016-9448

Exploit prediction scoring system (EPSS) score for CVE-2016-9448

CVSS scores for CVE-2016-9448

CWE ids for CVE-2016-9448

References for CVE-2016-9448