Home/CVE/An issue was discovered in Xpdf 4.00. catalog-getNumPages() in AcroForm.cc allows attackers to launch a denial of servic
CVE

CVE-2018-18651

An issue was discovered in Xpdf 4.00. catalog-getNumPages() in AcroForm.cc allows attackers to launch a denial of servic

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.

MEDIUM · CVSS 5.5 EPSS 0.00178
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-834Excessive Iteration
▤

Affected Products & Versions

1
xpdfreader xpdfall versions
⚠

Public Exploits & PoCs

1
pocforum.xpdfreader.com · viewtopic.php?f=3&t=41219&p=41747#p41747forum.xpdfreader.com
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Oct 2018 · 01:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://exchange.xforce.ibmcloud.com/vulnerabilities/152005Third Party Advisory
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