SB2023011793 - Improper Neutralization of Escape, Meta, or Control Sequences in Deno
Published: January 17, 2023 Updated: April 23, 2026
Breakdown by Severity
- Low
- Medium
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- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Neutralization of Escape, Meta, or Control Sequences (CVE-ID: CVE-2023-22499)
The vulnerability allows a remote attacker to spoof an interactive permission prompt.
The vulnerability exists due to improper neutralization of terminal output in the interactive permission prompt when handling multithreaded program output. A remote attacker can clear the terminal screen and rewrite the displayed prompt to spoof an interactive permission prompt.
User interaction is required, and the issue affects environments that attach an interactive prompt, including programs using the Web Worker API.
Remediation
Install update from vendor's website.