SB2017102342 - Improper Privilege Management in xorg-server (Alpine package)
Published: October 23, 2017
Security Bulletin ID
SB2017102342
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Privilege Management (CVE-ID: CVE-2017-13721)
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.
Remediation
Install update from vendor's website.