CVE-2018-18651

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
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.
Overview
  • CVE ID
  • CVE-2018-18651
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-10-25T13:29:00
  • Last Modified Date
  • 2019-10-03T00:03:26
Weakness Enumerations
CWE URL
CWE-834 http://cwe.mitre.org/data/definitions/834.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747 Exploit Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/152005 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-18651
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18651
History
Created Old Value New Value Data Type Notes
2022-05-10 17:34:16 Added to TrackCVE
2022-12-03 13:48:38 2018-10-25T13:29Z 2018-10-25T13:29:00 CVE Published Date updated
2022-12-03 13:48:38 2019-10-03T00:03:26 CVE Modified Date updated
2022-12-03 13:48:38 Analyzed Vulnerability Status updated