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Security audit

DeskTime

Security checks for vulnerabilities and agentic risk

Overview

DeskTime actions have appropriate safeguards, but setup can execute unverified downloaded code without a separate approval step.

Review the setup before installing. Install a verified CLI release yourself and prevent automatic installer execution. Review its managed-skill synchronization settings and authorize only the DeskTime access you need, especially employee tracking data. The remote installers and exact installed release could not be inspected; no malicious behavior was established.

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs
Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Findings (4)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
98% confidence
Finding

The supplied code contains no DeskTime interaction or evidence that the Oomol installer is a supporting dependency for DeskTime functionality. Its sole visible action is remote installer execution, which materially differs from the declared purpose. The downloaded script's contents and further effects are not available for assessment.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

Piping an HTTPS response directly into bash executes mutable remote content without a pinned version or independent integrity verification. Compromise of the installer distribution path could yield arbitrary code execution with the invoking process's permissions; the legitimate vendor relationship and conditional setup reduce suspicion of malicious intent but do not eliminate this supply-chain risk.

Content

Scanner excerpt · SKILL.md (reported line 59)May include surrounding context.

CLI setup executes downloaded scripts without warning the user about remote code execution or local system changes.

Medium
Category
Output Handling
Confidence
96% confidence
Finding

The fallback directs the agent to execute downloaded shell or PowerShell code without explicit approval for installing software or changing the local system. Although installation is relevant and only triggered when the CLI is missing, a compromised installer could execute arbitrary code with the agent's privileges; the declared oo-only Bash allowance may limit execution if enforced.

Content

No source excerpt is available for this finding.

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
80% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 80)May include surrounding context.

md
- **`OOMOL_INSUFFICIENT_CREDIT`** — OOMOL billing stop. Recharge at `https://console.oomol.com/billing/token-recharge` before retrying.

- **HTTP 402 without `OOMOL_INSUFFICIENT_CREDIT`** — the third-party account itself has no active plan or credit. Report the provider error message as is; do not ask the user to recharge OOMOL.

## Resources