Executive Summary

Informations
Name CVE-2018-7456 First vendor Publication 2018-02-24
Vendor Cve Last vendor Modification 2021-01-29

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.)

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7456

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 4
Os 3

Nessus® Vulnerability Scanner

Date Description
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-c7a234c440.nasl - Type : ACT_GATHER_INFO
2018-12-01 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4349.nasl - Type : ACT_GATHER_INFO
2018-11-13 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2018-316-01.nasl - Type : ACT_GATHER_INFO
2018-07-24 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-2_0-0048.nasl - Type : ACT_GATHER_INFO
2018-07-03 Name : The remote Debian host is missing a security update.
File : debian_DLA-1411.nasl - Type : ACT_GATHER_INFO
2018-04-24 Name : The remote Fedora host is missing a security update.
File : fedora_2018-335aec0507.nasl - Type : ACT_GATHER_INFO
2018-04-16 Name : The remote Debian host is missing a security update.
File : debian_DLA-1346.nasl - Type : ACT_GATHER_INFO
2018-04-16 Name : The remote Debian host is missing a security update.
File : debian_DLA-1347.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
CONFIRM https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a9...
DEBIAN https://www.debian.org/security/2018/dsa-4349
MISC http://bugzilla.maptools.org/show_bug.cgi?id=2778
https://github.com/xiaoqx/pocs/tree/master/libtiff
MLIST https://lists.debian.org/debian-lts-announce/2018/04/msg00010.html
https://lists.debian.org/debian-lts-announce/2018/04/msg00011.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
REDHAT https://access.redhat.com/errata/RHSA-2019:2051
https://access.redhat.com/errata/RHSA-2019:2053
UBUNTU https://usn.ubuntu.com/3864-1/

Alert History

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Date Informations
2021-05-04 13:20:44
  • Multiple Updates
2021-04-22 02:35:44
  • Multiple Updates
2021-01-30 00:22:47
  • Multiple Updates
2020-05-23 01:19:11
  • Multiple Updates
2019-08-06 21:20:00
  • Multiple Updates
2019-04-22 21:19:17
  • Multiple Updates
2019-04-19 21:19:27
  • Multiple Updates
2019-03-07 17:19:31
  • Multiple Updates
2019-01-23 17:19:25
  • Multiple Updates
2018-12-01 17:19:02
  • Multiple Updates
2018-07-04 09:19:48
  • Multiple Updates
2018-04-17 09:19:23
  • Multiple Updates
2018-03-17 09:19:27
  • Multiple Updates
2018-02-24 12:05:43
  • First insertion