CVE-2017-12183: Input Validation
First published: Fri Nov 03 2017(Updated: )
Missing length validation was found in XFIXES extension Upstream patch: <a href="https://cgit.freedesktop.org/xorg/xserver/commit/?id=55caa8b08c84af2b50fbc936cf334a5a93dd7db5">https://cgit.freedesktop.org/xorg/xserver/commit/?id=55caa8b08c84af2b50fbc936cf334a5a93dd7db5</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/xorg-server | 2:1.20.4-1+deb10u4 2:1.20.4-1+deb10u9 2:1.20.11-1+deb11u6 2:21.1.7-3 2:21.1.8-1 | |
| redhat/xorg-x11-server | <1.19.5 | 1.19.5 |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| X.Org xorg-server | <1.19.5 |
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Reference Links
- https://cgit.freedesktop.org/xorg/xserver/commit/?id=55caa8b08c84af2b50fbc936cf334a5a93dd7db5
- https://security-tracker.debian.org/tracker/CVE-2017-12183
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1509258
- https://bugzilla.redhat.com/show_bug.cgi?id=1509224
- https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html
- https://security.gentoo.org/glsa/201711-05
- https://www.debian.org/security/2017/dsa-4000
Frequently Asked Questions
What is CVE-2017-12183?
CVE-2017-12183 is a vulnerability in xorg-x11-server before version 1.19.5 that allows a malicious X client to crash the X server or execute arbitrary code.
How severe is CVE-2017-12183?
CVE-2017-12183 has a severity rating of 9.8 out of 10, making it a critical vulnerability.
Which software is affected by CVE-2017-12183?
The xorg-x11-server package versions before 1.19.5 are affected, including Debian Debian Linux version 8.0 and 9.0.
How can I fix CVE-2017-12183?
To fix CVE-2017-12183, make sure you update xorg-x11-server to version 1.19.5 or higher.
Where can I find more information about CVE-2017-12183?
You can find more information about CVE-2017-12183 in the references provided: bugzilla.redhat.com, cgit.freedesktop.org, and lists.debian.org.
- collector/security-tracker-debian
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