PT-2024-18959 · Bun · Bun

Liran Tal · CVE-2024-21548 · Published 2024-12-18 · Updated 2024-12-23

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions bun versions prior to 1.1.30

Description The issue is related to Prototype Pollution due to improper input sanitization. An attacker can exploit this vulnerability through Bun's APIs that accept objects.

Recommendations For versions prior to 1.1.30, update to version 1.1.30 or later to resolve the issue. As a temporary workaround, consider restricting access to Bun's APIs that accept objects until a patch is applied. Avoid using objects in the affected API endpoints until the issue is resolved.

Exploit

Fix

Prototype Pollution

Weakness Enumeration

CWE-1321

Related Identifiers

CVE-2024-21548

GHSA-V9MX-4PQQ-H232

Affected Products

Bun

References · 13

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21548.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-21548 · Security Note
• https://osv.dev/vulnerability/CVE-2024-21548 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-v9mx-4pqq-h232 · Vendor Advisory
• https://github.com/oven-sh/bun · Note
• https://github.com/oven-sh/bun/pull/14119 · Note
• https://github.com/oven-sh/bun/commit/a234e067a5dc7837602df3fb5489e826920cc65a · Note
• https://security.snyk.io/vuln/SNYK-JS-BUN-8499549 · Note
• https://twitter.com/VulmonFeeds/status/1869319685398765824 · Twitter Post
• https://t.me/cvedetector/13163 · Telegram Post
• https://twitter.com/CVEnew/status/1869266348095725660 · Twitter Post
• https://t.me/cvenotify/104656 · Telegram Post
• https://twitter.com/cracbot/status/1871073307426259194 · Twitter Post