CVE-2018-7456

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory function that was not addressed by the CVE-2017-18013 patch.)
Overview
  • CVE ID
  • CVE-2018-7456
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-02-24T06:29:00
  • Last Modified Date
  • 2021-01-29T20:15:12
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/xiaoqx/pocs/tree/master/libtiff Exploit Third Party Advisory
http://bugzilla.maptools.org/show_bug.cgi?id=2778 Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00011.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00010.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html Mailing List Third Party Advisory
https://www.debian.org/security/2018/dsa-4349 Third Party Advisory
https://usn.ubuntu.com/3864-1/ Third Party Advisory
https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2051
https://access.redhat.com/errata/RHSA-2019:2053
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7456
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7456
History
Created Old Value New Value Data Type Notes
2022-05-10 07:25:28 Added to TrackCVE
2022-12-03 02:44:22 2018-02-24T06:29Z 2018-02-24T06:29:00 CVE Published Date updated
2022-12-03 02:44:22 2021-01-29T20:15:12 CVE Modified Date updated
2022-12-03 02:44:22 Modified Vulnerability Status updated