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CVE-2006-4447

7.2 · HIGH

X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls when attempting to drop privileges, which might all…

Published Aug 30, 2006x.orgEPSS 0.45%

Overview

CVE-2006-4447 is a high-severity vulnerability affecting x.org emu-linux-x87-xlibs. It was published on August 30, 2006 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls when attempting to drop privileges, which might allow local users to gain privileges by causing those calls to fail, such as by exceeding a ulimit.

Remediation

Check the references section for vendor advisories and patches from x.org. Update emu-linux-x87-xlibs to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.freedesktop.org/archives/xorg/2006-June/016146.htmlRefmail.gnome.org/archives/beast/2006-December/msg00025.htmlRefsecunia.com/advisories/21650Refsecunia.com/advisories/21660Refsecunia.com/advisories/21693Refsecunia.com/advisories/22332Refsecunia.com/advisories/25032Refsecunia.com/advisories/25059Refsecurity.gentoo.org/glsa/glsa-200608-25.xmlRefsecurity.gentoo.org/glsa/glsa-200704-22.xml

How CyberStrike helps

Frequently asked questions

What is CVE-2006-4447?

CVE-2006-4447 is a high-severity vulnerability affecting x.org emu-linux-x87-xlibs. It was published on August 30, 2006 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2006-4447?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2006-4447?

Check the references section for vendor advisories and patches from x.org. Update emu-linux-x87-xlibs to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2006-4447?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-4447 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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