Vulnerabilities > CVE-2018-18651 - Excessive Iteration vulnerability in Xpdfreader Xpdf 4.00

047910
CVSS 4.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL

Summary

An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.

Vulnerable Configurations

Part Description Count
Application
Xpdfreader
1

Common Weakness Enumeration (CWE)