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CVE-2020-5216 PUBLISHED

In Secure Headers (RubyGem secure_headers), a directive injection vulnerability is present in versions before 3.9.0, 5.2.0, and 6.3.0. If user-supplied input was passed into append/override_content_security_policy_directives, a newline could be injected leading to limited header injection. Upon seeing a newline in the header, rails will silently create a new Content-Security-Policy header with the remaining value of the original string. It will continue to create new headers for each newline. This has been fixed in 6.3.0, 5.2.0, and 3.9.0.

EPSS 0.35% · 57.1th percentile

Risk Scores

EPSS Score
0.35%
57.1th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSruby-secure-headers0, 6.0.0-1, 6.1.1-1
Ubuntu:18.04:LTSruby-secure-headers0, 3.7.1-1

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References

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