Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 524
Alerts This Week
Warning Icon 1 524

Ubuntu 12.04 LTS USN-1804-2 Critical: IcedTea-Web SSL Access Issue

ubuntu
Calendar Grey April 23, 2013
Scroller Ubuntu
A regression in IcedTea-Web affects Ubuntu 20.04, 22.04, and newer. Users may experience crashes or issues with Java Web Start applications
Due to a regression, IcedTea-Web might not be able to access some sites.

Summary

Due to a regression, IcedTea-Web might not be able to access some sites.

Software Description:

- icedtea-web: A web browser plugin to execute Java applets

Details:

USN-1804-1 fixed vulnerabilities in IcedTea-Web. This update introduced

a regression with the Java Network Launching Protocol (JNLP) when fetching

content over SSL under certain configurations, such as when using the

community-supported IcedTead 7 browser plugin. This update fixes the

problem.

We apologize for the inconvenience.

Original advisory details:

Jiri Vanek discovered that IcedTea-Web would use the same classloader for

applets from different domains. A remote attacker could exploit this to

expose sensitive information or potentially manipulate applets from other

domains. (CVE-2013-1926)

It was discovered that IcedTea-Web did not properly verify JAR files and

was susceptible to the GIFAR attack. If a user were tricked into opening a

malicious website, a remote attacker could...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory remote exploit Ubuntu SSL issue regression icedtea-web Java applet

Update Instructions

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

Ubuntu 12.04 LTS:
  icedtea-7-plugin                1.2.3-0ubuntu0.12.04.2
  icedtea-netx                    1.2.3-0ubuntu0.12.04.2

Ubuntu 11.10:
  icedtea-netx                    1.2.3-0ubuntu0.11.10.2

After a standard system update you need to restart your browser to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1804-2

https://ubuntu.com/security/notices/USN-1804-1

https://bugs.launchpad.net/ubuntu/+source/icedtea-web/+bug/1171506

Severity
critical
Lowest
Low
Medium
High
Critical

=========================================================================Ubuntu Security Notice USN-1804-2

Topics%20covered

Topics Covered

security advisory remote exploit Ubuntu SSL issue regression icedtea-web Java applet

Package Information

https://launchpad.net/ubuntu/+source/icedtea-web/1.2.3-0ubuntu0.12.04.2
https://launchpad.net/ubuntu/+source/icedtea-web/1.2.3-0ubuntu0.11.10.2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.