Vulnerability Details : CVE-2018-7454

A NULL pointer dereference in XFAForm::scanFields in XFAForm.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.

Vulnerability category: Memory CorruptionDenial of service

Published 2018-02-24 06:29:01

Updated 2018-03-17 10:23:16

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-7454

Probability of exploitation activity in the next 30 days: 0.06%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 21 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-7454

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	[email protected]
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	[email protected]
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-7454

CWE-476 NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Assigned by: [email protected] (Primary)

References for CVE-2018-7454

https://forum.xpdfreader.com/viewtopic.php?f=3&t=613

Issue Tracking;Vendor Advisory

CVEs referencing this url

Products affected by CVE-2018-7454

Xpdfreader » Xpdf » Version: 4.00
cpe:2.3:a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*
Matching versions