CVE-2018-18458: Null Pointer Dereference
Published Oct 18, 2018
·Updated
The function DCTStream::decodeImage in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file, as demonstrated by pdftoppm.
Affected Software
1 affected component
Xpdfreader Xpdf=4.00
Event History
Oct 18, 2018
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
Description
Frequently Asked Questions
1
What is the vulnerability ID for this issue?
CVE-2018-18458
2
What is the severity of CVE-2018-18458?
The severity of CVE-2018-18458 is medium with a CVSS score of 5.5.
3
How does CVE-2018-18458 affect Xpdf 4.00?
CVE-2018-18458 allows remote attackers to cause a denial of service (NULL pointer dereference) in Xpdf 4.00.
4
How can the CVE-2018-18458 vulnerability be exploited?
The CVE-2018-18458 vulnerability can be exploited by crafting a malicious PDF file and using pdftoppm.
5
Are there any official references for CVE-2018-18458?
Official references for CVE-2018-18458 can be found at: https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217 and https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm.