CVE-2018-18557

Impact:
Moderate
Public Date:
2018-10-14
CWE:
CWE-787
Bugzilla:
1644229: CVE-2018-18557 libtiff: Out-of-bounds write in tif_jbig.c

The MITRE CVE dictionary describes this issue as:

LibTIFF 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.

Find out more about CVE-2018-18557 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 5 and 6.

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

CVSS v3 metrics

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (libtiff) RHSA-2019:2053 2019-08-06

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 libtiff Not affected
Red Hat Enterprise Linux 6 libtiff Not affected
Red Hat Enterprise Linux 5 libtiff Not affected
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