CVE-2018-18458: Null Pointer Dereference
First published: Thu 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xpdfreader Xpdf | =4.00 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
CVE-2018-18458
What is the severity of CVE-2018-18458?
The severity of CVE-2018-18458 is medium with a CVSS score of 5.5.
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.
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.
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.
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