Vulnerability identifier: #VU11542
Vulnerability risk: Low
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to obtain potentially sensitive information and write arbitrary files on the target system.
The weakness exists in the Dir.open, Dir.new, Dir.entries and Dir.empty? methods due to improper checking of NULL characters. A remote attacker can trigger the unintentional directory traversal.
Update to versions 2.2.10, 2.3.7, 2.4.4 or 2.5.1.
Vulnerable software versions
Ruby: 2.2.0 - 2.6.0-preview1
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?