UBUNTU-CVE-2022-44571
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.
02 / AFFECTED SOFTWARE
Affected packages
4 explicit affected versions
5 explicit affected versions
7 explicit affected versions
5 explicit affected versions
5 explicit affected versions
5 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://github.com/rack/rack/commit/4e33ad10bf5f16d25c156f905bcc548e7f787bc3
- https://github.com/rack/rack/commit/9b5fb5c7ef0e39b959a6c5c0005d9af44a29d6f8
- https://github.com/rack/rack/commit/ee25ab9a7ee981d7578f559701085b0cf39bde77
- https://ubuntu.com/security/CVE-2022-44571
- https://ubuntu.com/security/notices/USN-5910-1
- https://ubuntu.com/security/notices/USN-7036-1
- https://www.cve.org/CVERecord?id=CVE-2022-44571