CVE-2017-12178: Input Validation
First published: Fri Nov 03 2017(Updated: )
Wrong extra length check in ProcXIChangeHierarchy function was found. Upstream patch: <a href="https://cgit.freedesktop.org/xorg/xserver/commit/?id=859b08d523307eebde7724fd1a0789c44813e821">https://cgit.freedesktop.org/xorg/xserver/commit/?id=859b08d523307eebde7724fd1a0789c44813e821</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=859b08d523307eebde7724fd1a0789c44813e821
- https://security-tracker.debian.org/tracker/CVE-2017-12178
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1509258
- https://bugzilla.redhat.com/show_bug.cgi?id=1509219
- 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 the severity of CVE-2017-12178?
CVE-2017-12178 is classified as a moderate severity vulnerability.
How do I fix CVE-2017-12178?
To fix CVE-2017-12178, update to a version of the xorg-server that includes the patch, such as xorg-server 2:1.20.4-1+deb10u4 or later.
What systems are affected by CVE-2017-12178?
CVE-2017-12178 affects specific versions of xorg-server in Debian, Red Hat, and other distributions.
What is the impact of CVE-2017-12178?
The impact of CVE-2017-12178 involves a potential bypass of security protections due to improper length checks.
Is there a public reference for CVE-2017-12178?
Yes, CVE-2017-12178 has public references in bug tracking systems and security trackers for more detailed information.
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