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CVE-2020-8161

Publication date 2 July 2020

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

8.6 · High

Score breakdown

A directory traversal vulnerability exists in rack < 2.2.0 that allows an attacker perform directory traversal vulnerability in the Rack::Directory app that is bundled with Rack which could result in information disclosure.

From the Ubuntu Security Team

It was discovered that Rack incorrectly handled certain paths. An attacker could possibly use this issue to obtain sensitive information.

Status

Package Ubuntu Release Status
ruby-rack 22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 2.0.7-2ubuntu0.1
19.10 eoan Ignored end of life
18.04 LTS bionic
Fixed 1.6.4-4ubuntu0.2
16.04 LTS xenial
Fixed 1.6.4-3ubuntu0.2
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
ruby-rack

Severity score breakdown

Parameter Value
Base score 8.6 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Changed
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N