Is CVE-2018-7456 in the CISA KEV catalog?

No. CVE-2018-7456 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-7456?

CVE-2018-7456 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-7456?

CVE-2018-7456 has an EPSS score of 3.02% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-7456?

Upgrade tiff on debian 11 to 4.0.9-5 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-7456

MEDIUMEPSS 86th pctl

6.5

CVSS v3

NVD

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.)

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

tiffDebian

Fixed in:4.0.9-5CVE-2018-7456

libtiff-toolsUbuntu

Fixed in:4.0.3-7ubuntu0.10USN-3864-1

Fixed in:4.0.6-1ubuntu0.5USN-3864-1

Fixed in:4.0.9-5ubuntu0.1USN-3864-1

libtiff5Ubuntu

Fixed in:4.0.3-7ubuntu0.10USN-3864-1

Fixed in:4.0.6-1ubuntu0.5USN-3864-1

Fixed in:4.0.9-5ubuntu0.1USN-3864-1

tiffUbuntu

Fixed in:4.0.3-7ubuntu0.10USN-3864-1

Fixed in:4.0.6-1ubuntu0.5USN-3864-1

Fixed in:4.0.9-5ubuntu0.1USN-3864-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

3.02%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch1

gitlab.com

Exploit2

Third-Party Advisory5

Other references2

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

Embed a live status badge for CVE-2018-7456

Markdown

[![CVE-2018-7456](https://tridentstack.com/cve/badge/CVE-2018-7456.svg)](https://tridentstack.com/cve/CVE-2018-7456)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-7456"><img src="https://tridentstack.com/cve/badge/CVE-2018-7456.svg" alt="CVE-2018-7456"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.