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[USN-2381-1] Rsyslog vulnerabilities

Posted on 09 October 2014
Ubuntu Security

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Ubuntu Security Notice USN-2381-1
October 09, 2014

rsyslog vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Rsyslog could be made to crash if it received specially crafted input.

Software Description:
- rsyslog: Enhanced syslogd

Details:

It was discovered that Rsyslog incorrectly handled invalid PRI values. An=

attacker could use this issue to send malformed messages to the Rsyslog
server and cause it to stop responding, resulting in a denial of service
and possibly message loss. (CVE-2014-3634, CVE-2014-3683)

Update instructions:

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

Ubuntu 14.04 LTS:
rsyslog 7.4.4-1ubuntu2.3

Ubuntu 12.04 LTS:
rsyslog 5.8.6-1ubuntu8.9

Ubuntu 10.04 LTS:
rsyslog 4.2.0-2ubuntu8.3

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


References:
http://www.ubuntu.com/usn/usn-2381-1
CVE-2014-3634, CVE-2014-3683

Package Information:
https://launchpad.net/ubuntu/+source/rsyslog/7.4.4-1ubuntu2.3
https://launchpad.net/ubuntu/+source/rsyslog/5.8.6-1ubuntu8.9
https://launchpad.net/ubuntu/+source/rsyslog/4.2.0-2ubuntu8.3

 

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