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zdiJohn LeitchZDI-14-038
HistoryApr 03, 2014 - 12:00 a.m.

Oracle Java TrueType LookupCount Buffer Overflow Remote Code Execution Vulnerability

2014-04-0300:00:00
John Leitch
www.zerodayinitiative.com
12

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.433 Medium

EPSS

Percentile

97.3%

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.

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.433 Medium

EPSS

Percentile

97.3%