CVE-2018-18661

Impact:
Low
Public Date:
2018-10-25
CWE:
CWE-121
Bugzilla:
1644448: CVE-2018-18661 libtiff: tiff2bw tool failed memory allocation leads to crash

The MITRE CVE dictionary describes this issue as:

An issue was discovered in LibTIFF 4.0.9. There is a NULL pointer dereference in the function LZWDecode in the file tif_lzw.c.

Find out more about CVE-2018-18661 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of libtiff as shipped with Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

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

Affected Packages State

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

CVE description copyright © 2017, The MITRE Corporation