medium
6.8
Advisory Published
CVE Published
Updated

CVE-2013-1927

First published: Thu Dec 06 2012(Updated: )

Current IcedTea-Web versions are affected by GIFAR issue. It is possible to combine GIF image with Java JAR into a single file, that is both valid GIF as well as valid JAR/ZIP file. This issue can be used to execute Java applet in the context of the site that allows untrusted users to upload images in GIF format. This problem was previously fixed in Oracle and IBM Java plugins as <a href="https://access.redhat.com/security/cve/CVE-2008-5343">CVE-2008-5343</a> (<a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED ERRATA - CVE-2008-5343 Java WebStart allows hidden code privilege escalation" href="show_bug.cgi?id=474790">bug 474790</a>). References: <a href="http://en.wikipedia.org/wiki/Gifar">http://en.wikipedia.org/wiki/Gifar</a> <a href="http://xs-sniper.com/blog/2008/12/17/sun-fixes-gifars/">http://xs-sniper.com/blog/2008/12/17/sun-fixes-gifars/</a> <a href="http://riosec.com/how-to-create-a-gifar">http://riosec.com/how-to-create-a-gifar</a>

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/icedtea-web<1.2.3
1.2.3
redhat/icedtea-web<1.3.2
1.3.2
Red Hat IcedTea-Web<=1.2.2
Red Hat IcedTea-Web=1.0
Red Hat IcedTea-Web=1.0.1
Red Hat IcedTea-Web=1.0.2
Red Hat IcedTea-Web=1.0.3
Red Hat IcedTea-Web=1.0.4
Red Hat IcedTea-Web=1.0.5
Red Hat IcedTea-Web=1.0.6
Red Hat IcedTea-Web=1.1
Red Hat IcedTea-Web=1.1.1
Red Hat IcedTea-Web=1.1.2
Red Hat IcedTea-Web=1.1.3
Red Hat IcedTea-Web=1.1.4
Red Hat IcedTea-Web=1.1.5
Red Hat IcedTea-Web=1.1.6
Red Hat IcedTea-Web=1.1.7
Red Hat IcedTea-Web=1.2
Red Hat IcedTea-Web=1.2.1
Red Hat IcedTea-Web=1.3
Red Hat IcedTea-Web=1.3.1
Ubuntu Linux=10.04
Ubuntu Linux=11.10
Ubuntu Linux=12.04
Ubuntu Linux=12.10
openSUSE=12.2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-1927?

    CVE-2013-1927 is classified as a high severity vulnerability that allows execution of arbitrary Java code through crafted GIF files.

  • How do I fix CVE-2013-1927?

    To mitigate CVE-2013-1927, update IcedTea-Web to version 1.3.2 or later.

  • Which versions of IcedTea-Web are vulnerable to CVE-2013-1927?

    IcedTea-Web versions prior to 1.3.2, including all versions from 1.0 to 1.2.3, are vulnerable to CVE-2013-1927.

  • Can I use CVE-2013-1927 in a trusted environment?

    CVE-2013-1927 should not be used in trusted environments as it can allow unverified Java applets to execute malicious code.

  • Is there a workaround for CVE-2013-1927 if I cannot update?

    If unable to update IcedTea-Web, restrict the upload of GIF files or treat them as untrusted content to minimize risks from CVE-2013-1927.

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