CVE-2019-7663

Impact:
Moderate
Public Date:
2018-12-18
Bugzilla:
1677528: CVE-2019-7663 libtiff: integer overflow in libtiff/tif_dirwrite.c resulting in an invalid pointer dereference

The MITRE CVE dictionary describes this issue as:

An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.

Find out more about CVE-2019-7663 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

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

CVSS3 Base Score 6.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 libtiff Under investigation
Red Hat Enterprise Linux 7 libtiff Under investigation
Red Hat Enterprise Linux 6 libtiff Under investigation
Red Hat Enterprise Linux 5 libtiff Under investigation
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified

CVE description copyright © 2017, The MITRE Corporation