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Java CVE-2016-0483

CRITICAL
2016-01-21 secalert_us@oracle.com
RCE Buffer Overflow Java Oracle Canonical Jdk Jre Ubuntu Linux Jrockit
10.0
CVSS 2.0 · NVD
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Vulnerability Assessment

Impact

CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 12.60%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.
Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 12.6% exploitation probability (EPSS)

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AnalysisAI

Unspecified vulnerability in Oracle Java SE 6u105, 7u91, and 8u66; Java SE Embedded 8u65; and JRockit R28.3.8 allows remote attackers to affect confidentiality, integrity, and availability via. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 12.6%.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

Unspecified vulnerability in Oracle Java SE 6u105, 7u91, and 8u66; Java SE Embedded 8u65; and JRockit R28.3.8 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to AWT. NOTE: the previous information is from the January 2016 CPU. Oracle has not commented on third-party claims that this is a heap-based buffer overflow in the readImage function, which allows remote attackers to execute arbitrary code via crafted image data. Affected products include: Oracle Jdk, Oracle Jre, Oracle Jrockit, Canonical Ubuntu Linux.

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Severity by source

NVD PRIMARY 10.0 CRITICAL
AV:N/AC:L/Au:N/C:C/I:C/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
C
Integrity
C
Availability
C

DescriptionNVD

Unspecified vulnerability in Oracle Java SE 6u105, 7u91, and 8u66; Java SE Embedded 8u65; and JRockit R28.3.8 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to AWT. NOTE: the previous information is from the January 2016 CPU. Oracle has not commented on third-party claims that this is a heap-based buffer overflow in the readImage function, which allows remote attackers to execute arbitrary code via crafted image data.

Threat Intelligence Overview

EPSS Score
12.6%
Top 6% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 12.6%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

63
Low Medium High Critical
KEV: 0
EPSS: +13
CVSS: +50
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:oracle:jdk:1.6.0:update105:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.7.0:update91:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.8.0:update66:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.6.0:update105:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.7.0:update91:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.8.0:update66:*:*:*:*:*:*
cpe:2.3:a:oracle:jrockit:r28.3.8:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*

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References

Advisories & patches
PATCH http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html ADVISORY https://vuldb.com/vuln/80546 REF http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00038.html REF http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00041.html REF http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00042.html REF http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00043.html REF http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00044.html REF http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00045.html REF http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00047.html REF http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00048.html REF http://rhn.redhat.com/errata/RHSA-2016-0049.html REF http://rhn.redhat.com/errata/RHSA-2016-0050.html REF http://rhn.redhat.com/errata/RHSA-2016-0053.html REF http://rhn.redhat.com/errata/RHSA-2016-0054.html REF http://rhn.redhat.com/errata/RHSA-2016-0055.html REF http://rhn.redhat.com/errata/RHSA-2016-0056.html REF http://rhn.redhat.com/errata/RHSA-2016-0057.html REF http://rhn.redhat.com/errata/RHSA-2016-0067.html REF http://www.debian.org/security/2016/dsa-3458 REF http://www.debian.org/security/2016/dsa-3465 REF http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html REF http://www.securitytracker.com/id/1034715 REF http://www.ubuntu.com/usn/USN-2884-1 REF http://www.ubuntu.com/usn/USN-2885-1 REF http://www.zerodayinitiative.com/advisories/ZDI-16-032 REF https://access.redhat.com/errata/RHSA-2016:1430 REF https://security.gentoo.org/glsa/201603-14 REF https://security.gentoo.org/glsa/201610-08

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