Directory Traversal Vulnerability in WEBrick for Ruby
CVE-2019-11879

5.5MEDIUM

Key Information:

Vendor

Ruby-lang

Status
Webrick
Vendor
CVE Published:
10 May 2019

What is CVE-2019-11879?

The WEBrick gem version 1.4.2 for Ruby is susceptible to a directory traversal vulnerability, enabling an attacker with local access to create a symlink that grants access to files outside the web root directory. This issue resembles the Apache HTTP Server's Options FollowSymlinks directive and poses significant security concerns if not addressed properly. Proper configurations and restrictions are necessary to mitigate potential exploits associated with this vulnerability.

References

https://bugs.ruby-lang.org/issues/15835
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.