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CVE-2012-4681

Published: 28 August 2012

Multiple vulnerabilities in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 6 and earlier allow remote attackers to execute arbitrary code via a crafted applet that bypasses SecurityManager restrictions by (1) using com.sun.beans.finder.ClassFinder.findClass and leveraging an exception with the forName method to access restricted classes from arbitrary packages such as sun.awt.SunToolkit, then (2) using "reflection with a trusted immediate caller" to leverage the getField method to access and modify private fields, as exploited in the wild in August 2012 using Gondzz.class and Gondvv.class.

Notes

AuthorNote
mdeslaur
in lucid+, NetX and the plugin moved to the icedtea-web package
tyhicks
Per oss-security thread, OpenJDK <= 7u4-b31 is also affected
sbeattie verified that the openjdk vulnerability test does not work
on openjdk-6 in precise

Priority

Medium

Status

Package Release Status
icedtea-web
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

natty Not vulnerable

oneiric Not vulnerable

precise Not vulnerable

quantal Not vulnerable

upstream Needs triage

openjdk-6
Launchpad, Ubuntu, Debian
hardy Ignored
(end of life)
lucid Not vulnerable

natty Not vulnerable

oneiric Not vulnerable

precise Not vulnerable
(tested with exploit)
quantal Not vulnerable

upstream Needs triage

openjdk-6b18
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

natty Not vulnerable

oneiric Not vulnerable

precise Does not exist

quantal Does not exist

upstream Needs triage

openjdk-7
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

natty Does not exist

oneiric
Released (7u9-2.3.3-0ubuntu1~11.10.1)
precise Not vulnerable
(7u7-2.3.2-1ubuntu0.12.04.1)
quantal Not vulnerable
(7u7-2.3.2-1ubuntu1)
upstream Needs triage

sun-java5
Launchpad, Ubuntu, Debian
hardy Ignored
(end of life)
lucid Does not exist

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

upstream Needs triage

sun-java6
Launchpad, Ubuntu, Debian
hardy Ignored
(end of life)
lucid Does not exist
(removed from archive)
natty Does not exist
(removed from archive)
oneiric Does not exist

precise Does not exist

quantal Does not exist

upstream Needs triage