CVE-2018-16471
Medium
Description
There is a possible XSS vulnerability in Rack before 2.0.6 and 1.6.11. Carefully crafted requests can impact the data returned by the `scheme` method on `Rack::Request`. Applications that expect the scheme to be limited to 'http' or 'https' and do not escape the return value could be vulnerable to an XSS attack. Note that applications using the normal escaping mechanisms provided by Rails may not impacted, but applications that bypass the escaping mechanisms, or do not use them may be vulnerable.
SeverityMedium
CVSS6.1
Exploit probability80. percentile1.9%
Product
Rack
PublishedNov 13, 2018
First seenNov 13, 2018
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- rack_project rack1.6.11, 2.0.6 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rack_project rack | 1.6.0 ≤ v < 1.6.11, 2.0.0 ≤ v < 2.0.6 | 1.6.11, 2.0.6 |
| debian debian_linux | 8.0 | — |
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