CVE-2017-12187: Input Validation
First published: Fri Nov 03 2017(Updated: )
Missing length validation was found in RENDER 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-2017-12187
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1509258
- https://bugzilla.redhat.com/show_bug.cgi?id=1509217
- 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-2017-12187?
CVE-2017-12187 is considered a medium severity vulnerability due to its potential for triggering denial of service attacks.
How do I fix CVE-2017-12187?
To fix CVE-2017-12187, update your xorg-server to the latest patched version as specified by your operating system's package manager.
Which versions of xorg-server are affected by CVE-2017-12187?
CVE-2017-12187 affects xorg-server versions prior to 1.20.4 and version 1.19.5 on Red Hat systems.
Is CVE-2017-12187 exploitable remotely?
Yes, CVE-2017-12187 can be exploited remotely, putting systems at risk if not mitigated.
What impact does CVE-2017-12187 have on system performance?
Exploiting CVE-2017-12187 may cause denial of service, leading to degraded performance or crashes of the xorg-server.
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