CVE-2016-9448

Impact:
Low
Public Date:
2016-11-16
CWE:
CWE-476
Bugzilla:
1397734: CVE-2016-9448 libtiff: Null pointer dereference in TIFFFetchNormalTag() (regression of CVE-2016-9297)

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2016-9448 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 3.3
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 libtiff Not affected
Red Hat Enterprise Linux 7 compat-libtiff3 Not affected
Red Hat Enterprise Linux 6 libtiff Not affected
Red Hat Enterprise Linux 5 libtiff Not affected
Last Modified

CVE description copyright © 2017, The MITRE Corporation