PT-2018-14561 · Foolabs · Xpdf

Published 2018-10-25 · Updated 2019-10-03 · CVE-2018-18651

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Xpdf version 4.00

Description An issue in the catalog->getNumPages() function in AcroForm.cc allows attackers to launch a denial of service attack, causing the system to hang due to a large loop, via a specific pdf file. This is mainly caused by a large number after the /Count field in the file.

Recommendations For Xpdf version 4.00, consider restricting the use of the catalog->getNumPages() function in AcroForm.cc until a patch is available to prevent potential denial of service attacks.

Exploit

Fix

Weakness Enumeration

CWE-834

Related Identifiers

CVE-2018-18651

Affected Products

Xpdf

References · 7

• 🔥 https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-18651 · Security Note
• https://osv.dev/vulnerability/CVE-2018-18651 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-18651 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-18651 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-18651 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/152005 · Note