CVE-2017-3241: Input Validation
First published: Tue Jan 17 2017(Updated: )
It was discovered that the RMI registry and DCG (Distributed Garbage Collector) implementations in the RMI component of OpenJDK performed deserialization of untrusted inputs. A remote attacker could possibly use this flaw to execute arbitrary code with the privileges of RMI registry or a Java RMI application.
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle JDK 6 | =1.6-update_131 | |
| Oracle JDK 6 | =1.7-update_121 | |
| Oracle JDK 6 | =1.8-update_111 | |
| Oracle JDK 6 | =1.8-update_112 | |
| Oracle Java Runtime Environment (JRE) | =1.6-update_131 | |
| Oracle Java Runtime Environment (JRE) | =1.7-update_121 | |
| Oracle Java Runtime Environment (JRE) | =1.8-update_111 | |
| Oracle Java Runtime Environment (JRE) | =1.8-update_112 | |
| BEA JRockit | =r28.3.12 | |
| debian/openjdk-8 | 8u442-ga-2 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2017-0175.html
- http://rhn.redhat.com/errata/RHSA-2017-0176.html
- http://rhn.redhat.com/errata/RHSA-2017-0177.html
- http://rhn.redhat.com/errata/RHSA-2017-0180.html
- http://rhn.redhat.com/errata/RHSA-2017-0263.html
- http://rhn.redhat.com/errata/RHSA-2017-0269.html
- http://rhn.redhat.com/errata/RHSA-2017-0336.html
- http://rhn.redhat.com/errata/RHSA-2017-0337.html
- http://rhn.redhat.com/errata/RHSA-2017-0338.html
- http://www.debian.org/security/2017/dsa-3782
- http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html
- http://www.securityfocus.com/bid/95488
- http://www.securitytracker.com/id/1037637
- https://access.redhat.com/errata/RHSA-2017:1216
- https://erpscan.io/advisories/erpscan-17-006-oracle-openjdk-java-serialization-dos-vulnerability/
- https://security.gentoo.org/glsa/201701-65
- https://security.gentoo.org/glsa/201707-01
- https://security.netapp.com/advisory/ntap-20170119-0001/
- https://www.exploit-db.com/exploits/41145/
- https://launchpad.net/bugs/cve/CVE-2017-3241
- http://www.oracle.com/technetwork/java/javase/8u121-relnotes-3315208.html
- http://www.oracle.com/technetwork/java/javaseproducts/documentation/javase7supportreleasenotes-1601161.html#R170_131
- http://www.oracle.com/technetwork/java/javase/documentation/overview-156328.html#R160_141
- http://openjdk.java.net/jeps/290
- https://bugs.openjdk.java.net/browse/JDK-8155760
- http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html#AppendixJAVA
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/75f31e0bd829
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/09c05d3bf23e
- https://rhn.redhat.com/errata/RHSA-2017-0176.html
- https://rhn.redhat.com/errata/RHSA-2017-0175.html
- https://rhn.redhat.com/errata/RHSA-2017-0177.html
- https://rhn.redhat.com/errata/RHSA-2017-0180.html
- https://rhn.redhat.com/errata/RHSA-2017-0263.html
- https://rhn.redhat.com/errata/RHSA-2017-0269.html
- https://rhn.redhat.com/errata/RHSA-2017-0337.html
- https://rhn.redhat.com/errata/RHSA-2017-0336.html
- https://rhn.redhat.com/errata/RHSA-2017-0338.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1413955
- https://security-tracker.debian.org/tracker/CVE-2017-3241
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3241
- https://nvd.nist.gov/vuln/detail/CVE-2017-3241
- https://ubuntu.com/security/CVE-2017-3241
Frequently Asked Questions
What is the severity of CVE-2017-3241?
CVE-2017-3241 has been classified with a high severity level due to the potential for remote code execution.
How do I fix CVE-2017-3241?
To fix CVE-2017-3241, update your OpenJDK or Oracle JDK to a version that includes the security patch, such as Oracle JDK 8u442 or later.
Which software versions are affected by CVE-2017-3241?
CVE-2017-3241 affects specific versions of Oracle JDK and JRE, including 1.6-update_131, 1.7-update_121, and 1.8-update_111 and 1.8-update_112.
Can CVE-2017-3241 lead to unauthorized access?
Yes, CVE-2017-3241 can potentially allow a remote attacker to execute arbitrary code, leading to unauthorized access.
Is there a workaround for CVE-2017-3241?
A temporary workaround for CVE-2017-3241 is to disable RMI or restrict access to the RMI registry until you can apply a patch.
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