CVE-2017-12184: Input Validation
First published: Fri Nov 03 2017(Updated: )
Missing length validation was found in XINERAMA extension. Upstream patch: <a href="https://cgit.freedesktop.org/xorg/xserver/commit/?id=cad5a1050b7184d828aef9c1dd151c3ab649d37e">https://cgit.freedesktop.org/xorg/xserver/commit/?id=cad5a1050b7184d828aef9c1dd151c3ab649d37e</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=cad5a1050b7184d828aef9c1dd151c3ab649d37e
- https://security-tracker.debian.org/tracker/CVE-2017-12184
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1509258
- https://bugzilla.redhat.com/show_bug.cgi?id=1509225
- https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html
- https://www.debian.org/security/2017/dsa-4000
Frequently Asked Questions
What is the severity of CVE-2017-12184?
The severity of CVE-2017-12184 is critical with a CVSS score of 9.8.
What is the impact of CVE-2017-12184?
CVE-2017-12184 allows a malicious X client to crash the X server or potentially execute arbitrary code.
Which software versions are affected by CVE-2017-12184?
Versions of xorg-x11-server before 1.19.5 are affected by CVE-2017-12184.
How can I fix CVE-2017-12184?
To fix CVE-2017-12184, update xorg-x11-server to version 1.19.5 or later.
Where can I find more information about CVE-2017-12184?
You can find more information about CVE-2017-12184 at the following references: [Red Hat bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1509225), [X.org commit](https://cgit.freedesktop.org/xorg/xserver/commit/?id=cad5a1050b7184d828aef9c1dd151c3ab649d37e), [Debian security advisory](https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html).
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