CVE intelligence and bounded remediation

CVE-2018-18253 — An issue was discovered in CapMon Access Manager 5.4.1.1005

High CVSS 7

An issue was discovered in CapMon Access Manager 5.4.1.1005. CALRunElevated.exe attempts to enforce access control by adding an unprivileged user to the local Administrators group for a very short time to execute a single command. However, the user is left in that group if the command crashes, and there is also a race condition in all cases.

Severity
High
CVSS
7 (3.0)
Published
2019-03-15
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-362

Affected products

  • capmon / access_manager

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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