CVE intelligence and bounded remediation

CVE-2020-13173 — Teradici Pcoip Graphics Agent security vulnerability

High CVSS 7.8

Initialization of the pcoip_credential_provider in Teradici PCoIP Standard Agent for Windows and PCoIP Graphics Agent for Windows versions 19.11.1 and earlier creates an insecure named pipe, which allows an attacker to intercept sensitive information or possibly elevate privileges via pre-installing an application which acquires that named pipe.

Severity
High
CVSS
7.8 (3.1)
Published
2020-05-28
CISA KEV
Not currently listed
Ecosystem
windows/system
Weaknesses
CWE-362

Affected products

  • teradici / pcoip_graphics_agent
  • teradici / pcoip_standard_agent

Matched remediation archetype

Race condition, TOCTOU, and lifecycle synchronization

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Check exposure

  • Map concurrent actors, shared state, lock boundaries, signals, callbacks, retries, and check-then-use sequences in the affected path.
  • Determine whether untrusted users can influence timing, object names, filesystem state, or repeated state transitions.
  • Identify clustered and multi-process behavior that repository-local tests may not represent.

Remediate safely

  • Make the sensitive state transition atomic or protect it with a consistently ordered synchronization primitive.
  • Perform authorization and invariant checks on the same authoritative object and transaction used for the operation.
  • Use unique private resources, safe ownership transfer, and idempotent operations; add deterministic concurrency regression tests.

Authoritative sources

Complete CVE record and remediation plan

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