Several security issues were fixed in commons-httpclient.
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)
14 October 2015
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in commons-httpclient.
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 information or alter encrypted communications. (CVE-2014-3577)
It was discovered that Apache Commons HttpClient did not properly handle read timeouts during HTTPS handshakes. A remote attacker could trigger this flaw to cause a denial of service. (CVE-2015-5262)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon