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Use of a Broken or Risky Cryptographic Algorithm Affecting java-1.6.0-ibm package, versions <1:1.6.0.16.7-1jpp.1.el6_7

Severity

 Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
96.89% (100th percentile)

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  • Snyk IDSNYK-CENTOS6-JAVA160IBM-2120832
  • published26 Jul 2021
  • disclosed20 May 2015
Report a new vulnerability Found a mistake?

Introduced: 20 May 2015

CVE-2015-4000  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

Upgrade Centos:6 java-1.6.0-ibm to version 1:1.6.0.16.7-1jpp.1.el6_7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream java-1.6.0-ibm package and not the java-1.6.0-ibm package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHE_EXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE replaced by DHE_EXPORT and then rewriting a ServerHello with DHE_EXPORT replaced by DHE, aka the "Logjam" issue.

References