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CVSS: 8.2EPSS: 0%CPEs: 1EXPL: 0

Deno is a JavaScript, TypeScript, and WebAssembly runtime. In version 1.39.0, use of raw file descriptors in `op_node_ipc_pipe()` leads to premature close of arbitrary file descriptors, allowing standard input to be re-opened as a different resource resulting in permission prompt bypass. Node child_process IPC relies on the JS side to pass the raw IPC file descriptor to `op_node_ipc_pipe()`, which returns a `IpcJsonStreamResource` ID associated with the file descriptor. On closing the resource, the raw file descriptor is closed together. Use of raw file descriptors in `op_node_ipc_pipe()` leads to premature close of arbitrary file descriptors. This allow standard input (fd 0) to be closed and re-opened for a different resource, which allows a silent permission prompt bypass. • https://github.com/denoland/deno/blob/v1.39.0/runtime/permissions/prompter.rs#L214 https://github.com/denoland/deno/blob/v1.39.0/runtime/permissions/prompter.rs#L220 https://github.com/denoland/deno/blob/v1.39.0/runtime/permissions/prompter.rs#L225 https://github.com/denoland/deno/blob/v1.39.0/runtime/permissions/prompter.rs#L241 https://github.com/denoland/deno/blob/v1.39.0/runtime/permissions/prompter.rs#L256 https://github.com/denoland/deno/blob/v1.39.0/runtime/permission • CWE-863: Incorrect Authorization •

CVSS: 4.6EPSS: 0%CPEs: 1EXPL: 0

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 1.8.0 and prior to version 1.40.4, Deno improperly checks that an import specifier's hostname is equal to or a child of a token's hostname, which can cause tokens to be sent to servers they shouldn't be sent to. An auth token intended for `example[.]com` may be sent to `notexample[.]com`. Anyone who uses DENO_AUTH_TOKENS and imports potentially untrusted code is affected. Version 1.40.0 contains a patch for this issue Deno es un tiempo de ejecución de JavaScript, TypeScript y WebAssembly. • https://github.com/denoland/deno/blob/3f4639c330a31741b0efda2f93ebbb833f4f95bc/cli/auth_tokens.rs#L89 https://github.com/denoland/deno/commit/de23e3b60b066481cc390f459497d5bef42a899b https://github.com/denoland/deno/security/advisories/GHSA-5frw-4rwq-xhcr • CWE-20: Improper Input Validation •

CVSS: 5.8EPSS: 0%CPEs: 1EXPL: 0

Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults. Insufficient validation of parameters in `Deno.makeTemp*` APIs would allow for creation of files outside of the allowed directories. This may allow the user to overwrite important files on the system that may affect other systems. A user may provide a prefix or suffix to a `Deno.makeTemp*` API containing path traversal characters. This is fixed in Deno 1.41.1. • https://github.com/denoland/deno/security/advisories/GHSA-hrqr-jv8w-v9jh • CWE-20: Improper Input Validation •

CVSS: 9.8EPSS: 0%CPEs: 2EXPL: 0

Deno is a runtime for JavaScript and TypeScript. In deno 1.34.0 and deno_runtime 0.114.0, outbound HTTP requests made using the built-in `node:http` or `node:https` modules are incorrectly not checked against the network permission allow list (`--allow-net`). Dependencies relying on these built-in modules are subject to the vulnerability too. Users of Deno versions prior to 1.34.0 are unaffected. Deno Deploy users are unaffected. • https://github.com/denoland/deno/releases/tag/v1.34.1 https://github.com/denoland/deno/security/advisories/GHSA-vc52-gwm3-8v2f • CWE-269: Improper Privilege Management CWE-276: Incorrect Default Permissions •

CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 1

Deno is a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust. Arbitrary program names without any ANSI filtering allows any malicious program to clear the first 2 lines of a `op_spawn_child` or `op_kill` prompt and replace it with any desired text. This works with any command on the respective platform, giving the program the full ability to choose what program they wanted to run. This problem can not be exploited on systems that do not attach an interactive prompt (for example headless servers). This issue has been patched in version 1.31.2. • https://github.com/denoland/deno/blob/7d13d65468c37022f003bb680dfbddd07ea72173/runtime/js/40_process.js#L175 https://github.com/denoland/deno/releases/tag/v1.31.2 https://github.com/denoland/deno/security/advisories/GHSA-vq67-rp93-65qf • CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences •