vulnerability
Ubuntu: USN-5020-1 (CVE-2021-31810): Ruby vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Jul 13, 2021 | Jul 22, 2021 | Jan 23, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Jul 13, 2021
Added
Jul 22, 2021
Modified
Jan 23, 2025
Description
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port. This potentially makes curl extract information about services that are otherwise private and not disclosed (e.g., the attacker can conduct port scans and service banner extractions).
Solutions
ubuntu-pro-upgrade-libruby2-3ubuntu-pro-upgrade-libruby2-5ubuntu-pro-upgrade-libruby2-7ubuntu-pro-upgrade-ruby2-3ubuntu-pro-upgrade-ruby2-5ubuntu-pro-upgrade-ruby2-7
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