CVE-2023-22499 Interactive permission prompt spoofing in Deno
Attackers can spoof interactive permission prompts in Deno via race conditions, bypassing security checks for users relying on interactive confirmations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-22499?
CVE-2023-22499 is a high-severity vulnerability in denoland deno, published on 17 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Deno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. Multi-threaded programs were able to spoof interactive permission prompt by rewriting the prompt to suggest that program is waiting on user confirmation to unrelated action. A malicious program could clear the terminal screen after permission prompt was shown and write a generic message. This situation impacts users who use Web Worker API and relied on interactive permission prompt. The reproduction is very timing sensitive and can’t be reliably reproduced on every try. This problem can not be exploited on systems that do not attach an interactive prompt (for example headless servers). The problem has been fixed in Deno v1.29.3; it is recommended all users update to this version. Users are advised to upgrade. Users unable to upgrade may run with --no-prompt flag to disable interactive permission prompts.
Weakness: CWE-362
Which versions are affected by CVE-2023-22499?
2 open source packages ship an affected version, including deno. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
deno crates.io | From 1.9.0 | 1.29.3 |
deno crates.io | From 1.9.0 | 1.29.3 |
Products include Deno Deno.
How do I fix CVE-2023-22499?
Upgrade deno to 1.29.3 or later.
Is CVE-2023-22499 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-22499 exists.
Other vulnerabilities in denoland deno
- CVE-2023-28445 Deno improperly handles resizable ArrayBuffer
- CVE-2022-24783 Sandbox bypass leading to arbitrary code execution in Deno
- CVE-2021-32619 Static imports inside dynamically imported modules do not adhere to permission checks
- CVE-2026-22863 Deno node:crypto doesn't finalize cipher
- CVE-2024-27936 Deno interactive permission prompt spoofing via improper ANSI stripping
Sources
Also known as GHSA-mc52-jpm2-cqh6, JLSEC-2026-100.