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USN-4561-2 Not scored

ruby-rack vulnerabilities

USN-4561-1 fixed vulnerabilities in Rack. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 20.04 LTS and Ubuntu 20.10. Original advisory details: It was discovered that Rack incorrectly handled certain paths. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-8161) It was discovered that Rack incorrectly validated cookies. An attacker could possibly use this issue to forge a secure cookie. (CVE-2020-8184)

Exploit probability Not scored
Published April 6, 2021
Required by Not available
Last source change February 10, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:16.04:LTS ruby-rack

4 explicit affected versions

Ubuntu:20.04:LTS ruby-rack

2 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-4561-2

USN-4561-1 fixed vulnerabilities in Rack. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 20.04 LTS and Ubuntu 20.10. Original advisory details: It was discovered that Rack incorrectly handled certain paths. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-8161) It was discovered that Rack incorrectly validated cookies. An attacker could possibly use this issue to forge a secure cookie. (CVE-2020-8184)

View original source

05 / REFERENCES

Further evidence