CVE-2024-4067 — Regex Denial of Service in Micromatch
Severity
5.3MEDIUMNVD
EPSS
0.1%
top 68.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 14
Latest updateMar 25
Description
The NPM package `micromatch` prior to 4.0.8 is vulnerable to Regular Expression Denial of Service (ReDoS). The vulnerability occurs in `micromatch.braces()` in `index.js` because the pattern `.*` will greedily match anything. By passing a malicious payload, the pattern matching will keep backtracking to the input while it doesn't find the closing bracket. As the input size increases, the consumption time will also increase until it causes the application to hang or slow down. There was a merged …
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4