Improper Privilege Management

Affecting xorg-server package, versions <2:1.19.4-1

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NVD Description

Note: Versions mentioned in the description apply to the upstream xorg-server package. See Remediation section below for Debian:10 relevant versions.

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

Upgrade Debian:10 xorg-server to version 2:1.19.4-1 or higher.

References

CVSS Score

4.7
medium severity
  • Attack Vector
    Local
  • Attack Complexity
    High
  • Privileges Required
    Low
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2017-13721
CWE
CWE-269
Snyk ID
SNYK-DEBIAN10-XORGSERVER-327018
Disclosed
10 Oct, 2017
Published
10 Oct, 2017