Vulnerability identifier: #VU20193
Vulnerability risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-22
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
RubyGems
Universal components / Libraries /
Libraries used by multiple products
Vendor: Ruby
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in gems. A remote attacker can trick the victim to load a specially crafted gem and delete arbitrary files on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
RubyGems: 2.7.6 - 3.0.1
External links
http://access.redhat.com/errata/RHSA-2019:1429
http://blog.rubygems.org/2019/03/05/security-advisories-2019-03.html
http://hackerone.com/reports/317321
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.