Vulnerability · Published Oct 5, 2023 · Assigned by GitHub_M

CVE-2023-44386Incorrect request error handling triggers server crash in Vapor

Medium 5.3

In plain English

A medium-severity security flaw in vapor from vapor. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.7%top 45.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vapor is an HTTP web framework for Swift. There is a denial of service vulnerability impacting all users of affected versions of Vapor. The HTTP1 error handler closed connections when HTTP parse errors occur instead of passing them on. The issue is fixed as of Vapor release 4.84.2.

Affected products (as reported)

Vendor	Product	Versions
vapor	vapor	>= 4.83.2, < 4.84.2

Weakness: CWE-231, CWE-617, CWE-696 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

https://github.com/vapor/vapor/security/advisories/GHSA-3mwq-h3g6-ffhm x_refsource_CONFIRM
https://github.com/vapor/vapor/commit/090464a654b03148b139a81f8f5ac63b0856f6f3 x_refsource_MISC
https://github.com/vapor/vapor/releases/tag/4.84.2 x_refsource_MISC