CVE-2016-6308
First published: Mon Sep 26 2016(Updated: )
statem/statem_dtls.c in the DTLS implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory before checking for an excessive length, which might allow remote attackers to cause a denial of service (memory consumption) via crafted DTLS messages.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSL libcrypto | =1.1.0 |
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Reference Links
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.securityfocus.com/bid/93151
- http://www.securitytracker.com/id/1036885
- https://bto.bluecoat.com/security-advisory/sa132
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://git.openssl.org/?p=openssl.git;a=commit;h=df6b5e29ffea2d5a3e08de92fb765fdb21c7a21e
- https://www.openssl.org/news/secadv/20160922.txt
- https://www.tenable.com/security/tns-2016-16
- https://www.tenable.com/security/tns-2016-20
- https://www.tenable.com/security/tns-2016-21
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=df6b5e29ffea2d5a3e08de92fb765fdb21c7a21e
Frequently Asked Questions
What is the severity of CVE-2016-6308?
CVE-2016-6308 has been rated as a high severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2016-6308?
To mitigate CVE-2016-6308, you should upgrade OpenSSL to version 1.1.0a or later.
What kind of attack does CVE-2016-6308 enable?
CVE-2016-6308 could allow remote attackers to cause a denial of service through crafted DTLS messages.
Which versions of OpenSSL are affected by CVE-2016-6308?
OpenSSL version 1.1.0 before version 1.1.0a is affected by CVE-2016-6308.
What is the primary impact of CVE-2016-6308?
The primary impact of CVE-2016-6308 is excessive memory consumption leading to denial of service.
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