Vulnerability CVE-2021-43803


Published: 2021-12-10

Description:
Next.js is a React framework. In versions of Next.js prior to 12.0.5 or 11.1.3, invalid or malformed URLs could lead to a server crash. In order to be affected by this issue, the deployment must use Next.js versions above 11.1.0 and below 12.0.5, Node.js above 15.0.0, and next start or a custom server. Deployments on Vercel are not affected, along with similar environments where invalid requests are filtered before reaching Next.js. Versions 12.0.5 and 11.1.3 contain patches for this issue.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Vercel -> Next.js 
Nodejs -> Node.js 

 References:
https://github.com/vercel/next.js/releases/v12.0.5
https://github.com/vercel/next.js/pull/32080
https://github.com/vercel/next.js/releases/tag/v11.1.3
https://github.com/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264
https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx

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