CVE-2022-44572

2023-02-0900:00:00

ubuntu.com

rack

denial of service

vulnerability

multipart parsing

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

39.8%

JSON

A denial of service vulnerability in the multipart parsing component of
Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1 and 3.0.0.1 could allow an attacker
tocraft input that can cause RFC2183 multipart boundary parsing in Rack to
take an unexpected amount of time, possibly resulting in a denial of
service attack vector. Any applications that parse multipart posts using
Rack (virtually all Rails applications) are impacted.

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1029832>

Notes

Author	Note
ccdm94	variable related to the regular expression that causes the DoS was introduced in commit b3e90edf, together with RFC 2231 changes.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchruby-rack< 2.0.7-2ubuntu0.1+esm3UNKNOWN
ubuntu22.04noarchruby-rack< 2.1.4-5ubuntu1+esm3UNKNOWN