CVE-2017-12185: Input Validation
First published: Fri Nov 03 2017(Updated: )
Missing length validation was found in MIT-SCREEN-SAVER 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 | =8.0 | |
| Debian | =9.0 | |
| X.Org Xserver | <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-2017-12185
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1509258
- https://bugzilla.redhat.com/show_bug.cgi?id=1509215
- 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-2017-12185?
CVE-2017-12185 has a moderate severity level due to the missing length validation in the MIT-SCREEN-SAVER extension.
How do I fix CVE-2017-12185?
To fix CVE-2017-12185, update to the patched versions of xorg-server provided by your operating system vendor.
Which versions of xorg-server are affected by CVE-2017-12185?
Affected versions of xorg-server include any before the patched releases specified for Debian and Red Hat.
Is CVE-2017-12185 exploitable remotely?
CVE-2017-12185 may be exploitable remotely, which could allow for unauthorized access or manipulation.
What platforms are impacted by CVE-2017-12185?
CVE-2017-12185 affects Debian and Red Hat distributions running vulnerable versions of xorg-server.
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