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zdiNelson William Gamazo Sanchez of Trend Micro ResearchZDI-18-1263
HistoryOct 17, 2018 - 12:00 a.m.

Oracle Java Usage Tracker usagetracker.properties Privilege Escalation Vulnerability

2018-10-1700:00:00
Nelson William Gamazo Sanchez of Trend Micro Research
www.zerodayinitiative.com
23

6.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

3.3 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

22.6%

This vulnerability allows local attackers to escalate privileges on vulnerable installations of Oracle Java. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of a configuration file called usagetracker.properties. By modifying specific properties within this file, it is possible to create an arbitrary file with controlled data when the JVM is started. An attacker can leverage this vulnerability in certain situations to escalate privilege to the level of SYSTEM.

6.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

3.3 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

22.6%