Oracle Java TTF Font Parsing Heap Corruption Remote Code Execution Vulnerability

February 5th, 2014
ZDI-14-013 ZDI-CAN-1979

CVE ID

CVE-2013-5907

CVSS Score

6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Vendors

Oracle

Affected Products

Java Runtime

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle Java Runtime. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing routines of a ttf font file with a large offset value for a script table. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the process.

Additional Details

Oracle has issued an update to correct this vulnerability. More details can be found at:
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html

Disclosure Timeline

  • 2013-09-16 - Vulnerability reported to vendor
  • 2014-02-05 - Coordinated public release of advisory

Credit

John Leitch

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