Description
The RPC protocol implementation in Apache Hadoop 2.x before 2.0.6-alpha, 0.23.x before 0.23.9, and 1.x before 1.2.1, when the Kerberos security features are enabled, allows man-in-the-middle attackers to disable bidirectional authentication and obtain sensitive information by forcing a downgrade to simple authentication.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Manager 3 | jasperreports-server-pro | 5.5.0-4.el6ev | RHSA-2014:0037 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.hadoop:hadoop-common | >= 2.0.0, < 2.0.6-alpha | 2.0.6-alpha | GHSA-pxv5-5vmp-3jj4 |
| Maven | org.apache.hadoop:hadoop-common | >= 0.23.0, < 0.23.9 | 0.23.9 | GHSA-pxv5-5vmp-3jj4 |
Advisories 1
- RHSA-2014:0037 Red Hat Security Advisory: jasperreports-server-pro security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 5, 2026
References
- RHSA-2014:0037 vendor-advisory
- https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html
- RHSA-2014:0400 vendor-advisory
- 57915 third-party-advisory
- 20130823 CVE-2013-2192: Apache Hadoop Man in the Middle Vulnerability mailing-list