CVE-2023-26103
MEDIUM5.3EPSS 0.66%Regular Expression Denial of Service in Deno.upgradeWebSocket API
Published: 4/3/2023Modified: 11/8/2023
Also known as:GHSA-jc97-h3h9-7xh6
Description
### Impact Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the upgradeWebSocket function, which contains regexes in the form of /s*,s*/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to significantly slow down a web socket server. ### Patches It is recommended that users upgrade to Deno 1.31.0.
Affected packages (1)
- crates.io/deno>= 1.12.0, < 1.31.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-26103
- PATCHhttps://github.com/denoland/deno
- WEBhttps://github.com/denoland/deno/blob/2b247be517d789a37e532849e2e40b724af0918f/ext/http/01_http.js#L395-L409
- WEBhttps://github.com/denoland/deno/commit/cf06a7c7e672880e1b38598fe445e2c50b4a9d06
- WEBhttps://github.com/denoland/deno/pull/17722
- WEBhttps://github.com/denoland/deno/releases/tag/v1.31.0
- WEBhttps://github.com/denoland/deno/security/advisories/GHSA-jc97-h3h9-7xh6
- WEBhttps://security.snyk.io/vuln/SNYK-RUST-DENO-3315970