Xorg-X11-Server Vulnerability (CVE-2017-12176)
Summary
CVE-2017-12176: xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code. Affects xorg-server across 2 version ranges.
< 1.19.5-r0
< b96e982e3a43513549636850186ff80a82190f64
Fixed in 1.19.5-r0. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Xorg-X11-Server is an open-source display server that provides the infrastructure for graphical environments on Unix-like operating systems. It allows applications to display graphical output on a computer screen. The vulnerability (CVE-2017-12176) in Xorg-X11-Server versions prior to 1.19.5 allows a malicious X client to crash the X server or potentially execute arbitrary code.
Vulnerability Detail
The vulnerability in Xorg-X11-Server arises from the lack of extra length validation in the ProcEstablishConnection function. This flaw can be exploited by a malicious X client to send specially crafted requests, leading to a crash of the X server or potential execution of arbitrary code. The impact of this vulnerability can range from denial of service to remote code execution, depending on the attacker's intentions and the system's configuration.
How To Fix
Minimum fixed version
1.19.5-r0
This is the first release that contains the fix.
sudo apk add --upgrade xorg-serverTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
No workaround has been provided for this vulnerability. It is essential to update to the fixed version as soon as possible to mitigate the risk of exploitation.
Conclusion
The Xorg-X11-Server vulnerability (CVE-2017-12176) can lead to a crash of the X server or potential execution of arbitrary code. It is crucial to update to the fixed version (1.19.5 or later) to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for xorg-server →
FAQ
Xorg-X11-Server is an open-source display server that provides the infrastructure for graphical environments on Unix-like operating systems.
The impact of this vulnerability can range from denial of service to remote code execution, depending on the attacker's intentions and the system's configuration.
To fix this vulnerability, update Xorg-X11-Server to version 1.19.5 or later.
No workaround has been provided for this vulnerability. It is essential to update to the fixed version as soon as possible.
For more information about this vulnerability, refer to the provided CVE-2017-12176.json file or the official sources mentioned in the 'related' section.
Related vulnerabilities
Recent vulnerabilities recorded for xorg-server.
