1. Ubuntu Security Notices
  2. USN-1110-1

USN-1110-1: KDE-Libs vulnerabilities

Publication date

14 April 2011

Overview

An attacker could send crafted input to Konqueror to view sensitive information.

Releases

Packages

Details

It was discovered that KDE KSSL did not properly verify X.509 certificates
when the certificate was issued for an IP address. An attacker could
exploit this to perform a machine-in-the-middle attack to view sensitive
information or alter encrypted communications. (CVE-2011-1094)

Tim Brown discovered that KDE KHTML did not properly escape URLs from
externally generated error pages. An attacker could expoit this to conduct
cross-site scripting attacks. With cross-site scripting vulnerabilities, if
a user were tricked into viewing server output during a crafted server
request, a remote attacker could exploit this to modify the contents, or
steal confidential data (such as passwords), within the same domain.
(CVE-2011-1168)

It was discovered that KDE KSSL did not properly verify X.509 certificates
when the certificate was issued for an IP address. An attacker could
exploit this to perform a machine-in-the-middle attack to view sensitive
information or alter encrypted communications. (CVE-2011-1094)

Tim Brown discovered that KDE KHTML did not properly escape URLs from
externally generated error pages. An attacker could expoit this to conduct
cross-site scripting attacks. With cross-site scripting vulnerabilities, if
a user were tricked into viewing server output during a crafted server
request, a remote attacker could exploit this to modify the contents, or
steal confidential data (such as passwords), within the same domain.
(CVE-2011-1168)

Update instructions

After a standard system update you need to restart any applications that use KSSL or KHTML, such as Konqueror, to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
9.10 karmic kdelibs5 –  4:4.3.2-0ubuntu7.3
10.10 maverick libkhtml5 –  4:4.5.1-0ubuntu8.1
libkio5 –  4:4.5.1-0ubuntu8.1
10.04 lucid kdelibs5 –  4:4.4.5-0ubuntu1.1

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References

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