Improper Input Validation

Affecting xorg-server package, versions <2:1.19.5-1

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Overview

xorg-x11-server before 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

References

CVSS Score

9.8
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE
CVE-2017-12187
CWE
CWE-20
Snyk ID
SNYK-DEBIAN10-XORGSERVER-326903
Disclosed
24 Jan, 2018
Published
24 Jan, 2018