Sumatra PDF and MuPDF 'lex_number()' Function Remote Integer Overflow Vulnerability

BID:56875

Info

Sumatra PDF and MuPDF 'lex_number()' Function Remote Integer Overflow Vulnerability

Bugtraq ID: 56875
Class: Boundary Condition Error
CVE: CVE-2012-5340
Remote: Yes
Local: No
Published: Dec 09 2012 12:00AM
Updated: Dec 09 2012 12:00AM
Credit: beford
Vulnerable: Sumatra PDF Sumatra PDF 2.1.1
MuPDF MuPDF for iOS 1.1
MuPDF MuPDF 1.0
Not Vulnerable: MuPDF MuPDF 1.1

Discussion

Sumatra PDF and MuPDF 'lex_number()' Function Remote Integer Overflow Vulnerability

Sumatra PDF and MuPDF are prone to an integer-overflow vulnerability because they fail to properly validate user-supplied input.

An attacker can exploit this issue to execute arbitrary malicious code in the context of the affected application. Failed exploit attempts will likely crash the application.

The following versions are vulnerable:
MuPDF 1.0
MuPDF for iOS 1.1
Sumatra 2.1.1

Exploit / POC

Sumatra PDF and MuPDF 'lex_number()' Function Remote Integer Overflow Vulnerability

The following exploit code is available:

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