CVE-2017-12185: Input Validation
Missing length validation was found in MIT-SCREEN-SAVER extension.
Upstream patch:
https://cgit.freedesktop.org/xorg/xserver/commit/?id=cad5a1050b7184d828aef9c1dd151c3ab649d37e
Other sources
xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/xorg-serverto a version that resolves this vulnerability.Fixed in 2:1.20.4-1+deb10u4Fixed in 2:1.20.4-1+deb10u9Fixed in 2:1.20.11-1+deb11u6Fixed in 2:21.1.7-3Fixed in 2:21.1.8-1 - Upgrade
Upgrade
redhat/xorg-x11-serverto a version that resolves this vulnerability.Fixed in 1.19.5 - Upgrade
Upgrade
alpine/xorg-serverto a version that resolves this vulnerability.Fixed in 1.19.5-r0 - Upgrade
Upgrade
xorg-x11-serverto a version that resolves this vulnerability.Fixed in 1.19.5
Event History
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.