CVE-2021-31810
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- CVE-2021-31810
CVE Details
| Release Date: | 2021-07-13 |
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).
See more information about CVE-2021-31810 from MITRE CVE dictionary and NIST NVD
CVSS v3.0 metrics
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
| Base Score: | 5.8 | Base Metrics: | AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N |
| Access Vector: | Network | Attack Complexity: | Low |
| Privileges Required: | None | User Interaction: | None |
| Scope: | Changed | Confidentiality Impact: | Low |
| Integrity Impact: | None | Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 8 (ruby) | ELSA-2021-3020 | 2021-08-06 |
| Oracle Linux version 8 (ruby) | ELSA-2022-0543 | 2022-02-16 |
| Oracle Linux version 8 (ruby) | ELSA-2022-0672 | 2022-02-28 |
| Oracle Linux version 8 (ruby) | ELSA-2022-0672-1 | 2022-03-08 |
| Oracle Linux version 8 (rubygem-abrt) | ELSA-2021-3020 | 2021-08-06 |
| Oracle Linux version 8 (rubygem-abrt) | ELSA-2022-0543 | 2022-02-16 |
| Oracle Linux version 8 (rubygem-abrt) | ELSA-2022-0672 | 2022-02-28 |
| Oracle Linux version 8 (rubygem-abrt) | ELSA-2022-0672-1 | 2022-03-08 |
| Oracle Linux version 8 (rubygem-bson) | ELSA-2021-3020 | 2021-08-06 |
| Oracle Linux version 8 (rubygem-bson) | ELSA-2022-0543 | 2022-02-16 |
| Oracle Linux version 8 (rubygem-bson) | ELSA-2022-0672 | 2022-02-28 |
| Oracle Linux version 8 (rubygem-bson) | ELSA-2022-0672-1 | 2022-03-08 |
| Oracle Linux version 8 (rubygem-bundler) | ELSA-2022-0672 | 2022-02-28 |
| Oracle Linux version 8 (rubygem-bundler) | ELSA-2022-0672-1 | 2022-03-08 |
| Oracle Linux version 8 (rubygem-mongo) | ELSA-2021-3020 | 2021-08-06 |
| Oracle Linux version 8 (rubygem-mongo) | ELSA-2022-0543 | 2022-02-16 |
| Oracle Linux version 8 (rubygem-mongo) | ELSA-2022-0672 | 2022-02-28 |
| Oracle Linux version 8 (rubygem-mongo) | ELSA-2022-0672-1 | 2022-03-08 |
| Oracle Linux version 8 (rubygem-mysql2) | ELSA-2021-3020 | 2021-08-06 |
| Oracle Linux version 8 (rubygem-mysql2) | ELSA-2022-0543 | 2022-02-16 |
| Oracle Linux version 8 (rubygem-mysql2) | ELSA-2022-0672 | 2022-02-28 |
| Oracle Linux version 8 (rubygem-mysql2) | ELSA-2022-0672-1 | 2022-03-08 |
| Oracle Linux version 8 (rubygem-pg) | ELSA-2021-3020 | 2021-08-06 |
| Oracle Linux version 8 (rubygem-pg) | ELSA-2022-0543 | 2022-02-16 |
| Oracle Linux version 8 (rubygem-pg) | ELSA-2022-0672 | 2022-02-28 |
| Oracle Linux version 8 (rubygem-pg) | ELSA-2022-0672-1 | 2022-03-08 |
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