CVE Vulnerability

CVE-2018-18689

The Portable Document Format (PDF) specification does not provide any information regarding the concrete procedure of how to validate signatures. Consequently, a Signature Wrapping vulnerability exists in multiple products. An attacker can use /ByteRange and xref manipulations that are not detected by the signature-validation logic. This affects Foxit Reader before 9.4 and PhantomPDF before 8.3.9 and 9.x before 9.4. It also affects eXpert PDF 12 Ultimate, Expert PDF Reader, Nitro Pro, Nitro Reader, PDF Architect 6, PDF Editor 6 Pro, PDF Experte 9 Ultimate, PDFelement6 Pro, PDF Studio Viewer 2018, PDF Studio Pro, PDF-XChange Editor and Viewer, Perfect PDF 10 Premium, Perfect PDF Reader, Soda PDF, and Soda PDF Desktop.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.foxitsoftware.com/support/security-bulletins.php Vendor Advisory
https://pdf-insecurity.org/signature/evaluation_2018.html Third Party Advisory
https://pdf-insecurity.org/signature/signature.html Third Party Advisory
https://www.pdfa.org/recently-identified-pdf-digital-signature-vulnerabilities/ Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-01-07 06:15

Updated : 2021-01-15 05:07

NVD link : CVE-2018-18689

Mitre link : CVE-2018-18689

Products Affected
No products.
CWE
CWE-347

Improper Verification of Cryptographic Signature