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| Rule General Information |
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| Release Date: | 2020-09-17 | |
| Rule Name: | Ruby on Rails ActiveStorage Insecure Deserialization Vulnerability (CVE-2019-5420) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| Description: | A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically generated development mode secret token. This secret token can be used in combination with other Rails internals to escalate to a remote code execution exploit. | |
| Impact: | An attacker could exploit this vulnerability to have unspecified effect. | |
| Affected OS: | Windows, Linux, Others | |
| Reference: | ExploitDB:46785 http://packetstormsecurity.com/files/152704/Ruby-On-Rails-DoubleTap-Development-Mode-secret_key_base-Remote-Code-Execution.html https://groups.google.com/forum/#!topic/rubyonrails-security/IsQKvDqZdKw https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/ |
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| Solutions |
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| The vendors have released upgrade patches to fix vulnerabilities, please visit: https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/ |