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Java CVE-2017-3511

HIGH
2017-04-24 secalert_us@oracle.com
Java Information Disclosure Oracle Jdk Jre Jrockit
7.7
CVSS 3.0 · NVD
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Vulnerability Assessment

Impact

CVSS score of 7.7 (HIGH). Attack characteristics: local attack vector, high complexity, no privileges required, user interaction required. EPSS exploitation probability: 1.60%.
Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.6% exploitation probability (EPSS)

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AnalysisAI

Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: JCE). Rated high severity (CVSS 7.7), this vulnerability is no authentication required. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: JCE). Supported versions that are affected are Java SE: 7u131 and 8u121; Java SE Embedded: 8u121; JRockit: R28.3.13. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Java SE, Java SE Embedded, JRockit executes to compromise Java SE, Java SE Embedded, JRockit. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Java SE, Java SE Embedded, JRockit, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Java SE, Java SE Embedded, JRockit. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 7.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H). Affected products include: Oracle Jdk, Oracle Jre, Oracle Jrockit.

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Severity by source

NVD PRIMARY 7.7 HIGH
AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: JCE). Supported versions that are affected are Java SE: 7u131 and 8u121; Java SE Embedded: 8u121; JRockit: R28.3.13. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Java SE, Java SE Embedded, JRockit executes to compromise Java SE, Java SE Embedded, JRockit. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Java SE, Java SE Embedded, JRockit, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Java SE, Java SE Embedded, JRockit. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 7.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

Threat Intelligence Overview

EPSS Score
1.6%
Top 18% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

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 HIGH
CISA KEV No
Public POC No
EPSS 1.6%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:oracle:jdk:1.6:update_141:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.7:update_131:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.8:update_121:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.6:update_141:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.7:update_131:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.8:update_121:*:*:*:*:*:*
cpe:2.3:a:oracle:jrockit:r28.3.13:*:*:*:*:*:*:*

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References

Advisories & patches
ADVISORY http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html REF http://www.debian.org/security/2017/dsa-3858 REF http://www.securityfocus.com/bid/97731 REF http://www.securitytracker.com/id/1038286 REF https://access.redhat.com/errata/RHSA-2017:1108 REF https://access.redhat.com/errata/RHSA-2017:1109 REF https://access.redhat.com/errata/RHSA-2017:1117 REF https://access.redhat.com/errata/RHSA-2017:1118 REF https://access.redhat.com/errata/RHSA-2017:1204 REF https://access.redhat.com/errata/RHSA-2017:1220 REF https://access.redhat.com/errata/RHSA-2017:1221 REF https://access.redhat.com/errata/RHSA-2017:3453 REF https://security.gentoo.org/glsa/201705-03 REF https://security.gentoo.org/glsa/201707-01

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