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USN-5910-1 Not scored

ruby-rack vulnerabilities

It was discovered that Rack did not properly structure regular expressions in some of its parsing components, which could result in uncontrolled resource consumption if an application using Rack received specially crafted input. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2022-44570, CVE-2022-44571) It was discovered that Rack did not properly structure regular expressions in its multipart parsing component, which could result in uncontrolled resource consumption if an application using Rack to parse multipart posts received specially crafted input. A remote attacker could possibly use this issue to cause a denial of service. This issue was only fixed in Ubuntu 20.04 ESM and Ubuntu 22.04 ESM. (CVE-2022-44572)

Exploit probability Not scored
Published March 2, 2023
Required by Not available
Last source change June 29, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:Pro:14.04:LTS ruby-rack

5 explicit affected versions

Ubuntu:Pro:16.04:LTS ruby-rack

7 explicit affected versions

Ubuntu:Pro:18.04:LTS ruby-rack

5 explicit affected versions

Ubuntu:Pro:20.04:LTS ruby-rack

5 explicit affected versions

Ubuntu:Pro:22.04:LTS ruby-rack

5 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-5910-1

It was discovered that Rack did not properly structure regular expressions in some of its parsing components, which could result in uncontrolled resource consumption if an application using Rack received specially crafted input. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2022-44570, CVE-2022-44571) It was discovered that Rack did not properly structure regular expressions in its multipart parsing component, which could result in uncontrolled resource consumption if an application using Rack to parse multipart posts received specially crafted input. A remote attacker could possibly use this issue to cause a denial of service. This issue was only fixed in Ubuntu 20.04 ESM and Ubuntu 22.04 ESM. (CVE-2022-44572)

View original source

05 / REFERENCES

Further evidence