USN-2769-1: Apache Commons HttpClient vulnerabilities
Ubuntu Security Notice USN-2769-1
14th October, 2015
commons-httpclient vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
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 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)
Update instructions
The problem can be corrected by updating your system to the following package version:
- 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
To update your system, please follow these instructions: http://ift.tt/17VXqjU.
In general, a standard system update will make all the necessary changes.
References
CVE-2012-5783, CVE-2012-6153, CVE-2014-3577, CVE-2015-5262
from Ubuntu Security Notices http://ift.tt/1MAf29h