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Ubuntu 12.04 LTS USN-2769-1 Moderate: Commons HttpClient Man In The Middle

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Calendar Grey October 14, 2015
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Multiple Ubuntu versions face critical security vulnerabilities related to Apache Commons HttpClient. Immediate updates are recommended.
Several security issues were fixed in commons-httpclient.

Summary

Several security issues were fixed in commons-httpclient.

Software Description:

- commons-httpclient: A Java(TM) library for creating HTTP clients

Details:

It was discovered that Apache Commons HttpClient did not properly verify the

Common Name or subjectAltName fields of X.509 certificates. An attacker could

exploit this to perform a man in the middle attack to view sensitive

information or alter encrypted communications. This issue only affected Ubuntu

12.04 LTS. (CVE-2012-5783)

Florian Weimer discovered the fix for CVE-2012-5783 was incomplete for Apache

Commons HttpClient. An attacker could exploit this to perform a man in the

middle attack to view sensitive information or alter encrypted communications.

This issue only affected Ubuntu 12.04 LTS. (CVE-2012-6153)

Subodh Iyengar and Will Shackleton discovered the fix for CVE-2012-5783 was

incomplete for Apache Commons HttpClient. An attacker could exploit this to

perform a man in the middle attack to view sensitive informati...

Read the Full Advisory

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.04:
  libcommons-httpclient-java      3.1-10.2ubuntu0.15.04.1

Ubuntu 14.04 LTS:
  libcommons-httpclient-java      3.1-10.2ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  libcommons-httpclient-java      3.1-10ubuntu0.1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2769-1

CVE-2012-5783, CVE-2012-6153, CVE-2014-3577, CVE-2015-5262

October 14, 2015

Package Information

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