Remote code execution in RubyGems
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | N/A |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
RubyGems Universal components / Libraries / Libraries used by multiple products |
| Vendor | Ruby |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU54082
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input when processing platform and new line characters. A remote attacker can pass specially crafted input to the application and execute arbitrary code.
MitigationInstall updates from vendor's website.
Vulnerable software versionsRubyGems: 3.2.0 - 3.2.19
External linkshttp://github.com/rubygems/rubygems/releases/tag/v3.2.20
http://github.com/rubygems/rubygems/pull/4667
Q & A
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.
