CVE-2023-27530
Published: 10 March 2023
A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.
Notes
| Author | Note |
|---|---|
| iconstantin | Intrusive backport for older releases. |
Priority
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27530
- https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388
- https://github.com/rack/rack/commit/8e8869d625e73e16b576b6d31b50208e9ec8002f (main)
- https://github.com/rack/rack/commit/9aac3757fe19cdb0476504c9245170115bec9668 (v2.2.6.3)
- https://github.com/rack/rack/commit/b632718265fa5ffa547b060331341a1e216b4ffa (2.1.4.3)
- https://github.com/rack/rack/commit/5f6e2fcbbdbff2dfaa21baa693e9d23d12ac1459 (v2.0.9.3)
- NVD
- Launchpad
- Debian