Directory Traversal Vulnerability in Rack Library by Ruby
CVE-2020-8161

8.6HIGH

Key Information:

Vendor

Rack Project

Status
Https://github.com/rack/rack
Vendor
CVE Published:
2 July 2020

What is CVE-2020-8161?

A directory traversal vulnerability exists in the Rack library, specifically in versions prior to 2.2.0. This issue allows attackers to manipulate requests to access files and directories that should be restricted, potentially leading to unauthorized information disclosure. The flaw is particularly significant in the Rack::Directory application, where it can be exploited to gain sensitive data from the server filesystem. Users are advised to upgrade to secure versions to mitigate this risk.

Affected Version(s)

https://github.com/rack/rack Fixed in 2.1.3, >= 2.2.0

References

https://hackerone.com/reports/434404
https://groups.google.com/g/rubyonrails-security/c/IOO1vN...
https://lists.debian.org/debian-lts-announce/2020/07/msg0...
mailing-list

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.