CVE-2016-5547
First published: Mon Jan 16 2017(Updated: )
It was discovered that the ObjectIdentifier class in the Libraries component of OpenJDK did not check the length of the object identifier read from the input before allocating memory to store the OID. An attacker able to make a Java application to decode a specially crafted DER input could cause the application to use an excessive amount of memory. The DER encoding is used in e.g. X.509 certificates or LDAP protocol.
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/openjdk-8 | 8u442-ga-2 | |
| Oracle Java SE 7 | =1.7-update_121 | |
| Oracle Java SE 7 | =1.8-update_111 | |
| Oracle Java SE 7 | =1.8-update_112 | |
| Oracle JRE | =1.7-update_121 | |
| Oracle JRE | =1.8-update_111 | |
| Oracle JRE | =1.8-update_112 | |
| Oracle Java SE | =r28.3.12 |
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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-2017-0180.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://www.debian.org/security/2017/dsa-3782
- http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html
- http://www.securityfocus.com/bid/95521
- http://www.securitytracker.com/id/1037637
- https://access.redhat.com/errata/RHSA-2017:1216
- https://security.gentoo.org/glsa/201701-65
- https://security.gentoo.org/glsa/201707-01
- https://security.netapp.com/advisory/ntap-20170119-0001/
- https://launchpad.net/bugs/cve/CVE-2016-5547
- http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html#AppendixJAVA
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/683c9263a5b1
- https://rhn.redhat.com/errata/RHSA-2017-0176.html
- https://rhn.redhat.com/errata/RHSA-2017-0175.html
- https://rhn.redhat.com/errata/RHSA-2017-0180.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://bugzilla.redhat.com/show_bug.cgi?id=1413764
- https://security-tracker.debian.org/tracker/CVE-2016-5547
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5547
- https://nvd.nist.gov/vuln/detail/CVE-2016-5547
- https://ubuntu.com/security/CVE-2016-5547
Frequently Asked Questions
What is the severity of CVE-2016-5547?
CVE-2016-5547 is classified as a high severity vulnerability due to its potential for code execution upon decoding malicious input.
How do I fix CVE-2016-5547?
To fix CVE-2016-5547, update your OpenJDK to a version that includes the security patch for this vulnerability.
Which software versions are affected by CVE-2016-5547?
CVE-2016-5547 affects multiple versions including specific updates of Oracle JDK, JRE, and OpenJDK.
Can CVE-2016-5547 be exploited remotely?
Yes, CVE-2016-5547 can potentially be exploited remotely if an attacker sends specially crafted DER input to a vulnerable Java application.
What are the potential impacts of CVE-2016-5547?
The potential impacts of CVE-2016-5547 include denial of service or possibly arbitrary code execution in affected applications.
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