CVE-2022-44571
Published: 9 February 2023
There is a denial of service vulnerability in the Content-Disposition parsingcomponent of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1, 3.0.0.1. This could allow an attacker to craft an input that can cause Content-Disposition header parsing in Rackto take an unexpected amount of time, possibly resulting in a denial ofservice attack vector. This header is used typically used in multipartparsing. Any applications that parse multipart posts using Rack (virtuallyall Rails applications) are impacted.
Priority
Status
Package | Release | Status |
---|---|---|
ruby-rack Launchpad, Ubuntu, Debian |
bionic |
Released
(1.6.4-4ubuntu0.2+esm4)
|
focal |
Released
(2.0.7-2ubuntu0.1+esm3)
|
|
jammy |
Released
(2.1.4-5ubuntu1+esm3)
|
|
kinetic |
Needed
|
|
lunar |
Needed
|
|
trusty |
Released
(1.5.2-3+deb8u3ubuntu1~esm6)
|
|
upstream |
Released
(2.0.9.2, 2.1.4.2, 2.2.6.1, 3.0.4.1)
|
|
xenial |
Released
(1.6.4-3ubuntu0.2+esm4)
|
|
Patches: upstream: https://github.com/rack/rack/commit/4e33ad10bf5f16d25c156f905bcc548e7f787bc3 (v2.0.9.2) upstream: https://github.com/rack/rack/commit/9b5fb5c7ef0e39b959a6c5c0005d9af44a29d6f8 (v2.1.4.2) upstream: https://github.com/rack/rack/commit/ee25ab9a7ee981d7578f559701085b0cf39bde77 (v2.2.6.1) |
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-2022-44571
- https://github.com/rack/rack/commit/4e33ad10bf5f16d25c156f905bcc548e7f787bc3 (v2.0.9.2)
- https://github.com/rack/rack/commit/9b5fb5c7ef0e39b959a6c5c0005d9af44a29d6f8 (v2.1.4.2)
- https://github.com/rack/rack/commit/ee25ab9a7ee981d7578f559701085b0cf39bde77 (v2.2.6.1)
- https://ubuntu.com/security/notices/USN-5910-1
- NVD
- Launchpad
- Debian