Advisory Details

April 3rd, 2014

Oracle Java TrueType LookupCount Buffer Overflow Remote Code Execution Vulnerability

ZDI-14-038
ZDI-CAN-2020

CVE ID CVE-2013-5907
CVSS SCORE 9.3, (AV:N/AC:M/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS Oracle
AFFECTED PRODUCTS Java Runtime
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle Java. 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 handling of TrueType fonts. The issue lies in the handling of TTF files with an overly large LookupCount. 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
  • 2014-02-07 - Vulnerability reported to vendor
  • 2014-04-03 - Coordinated public release of advisory
CREDIT John Leitch
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