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| purl | pkg:hex/pow_assent@0.3.2 |
| Vulnerability | Summary | Fixed by |
|---|---|---|
|
VCID-x4x4-mzaz-xkg3
Aliases: CVE-2019-16764 GHSA-5653-437f-5hmc |
### Impact The use of `String.to_atom/1` in PowAssent is susceptible to denial of service attacks. In `PowAssent.Phoenix.AuthorizationController` a value is fetched from the user provided params, and `String.to_atom/1` is used to convert the binary value to an atom so it can be used to fetch the provider configuration value. This is unsafe as it's user provided data, and can be used to fill up the whole atom table of ~1M which will cause the app to crash. ### Workarounds A plug can be used to validate `conn.params["provider"]` before it reaches the `PowAssent.Phoenix.AuthorizationController`. ### References http://erlang.org/doc/efficiency_guide/commoncaveats.html#list_to_atom-1 |
Affected by 0 other vulnerabilities. |
| Vulnerability | Summary | Aliases |
|---|---|---|
| This package is not known to fix vulnerabilities. | ||
| Date | Actor | Action | Vulnerability | Source | VulnerableCode Version |
|---|---|---|---|---|---|
| 2026-06-10T17:22:35.035828+00:00 | Elixir Security Importer | Affected by | VCID-x4x4-mzaz-xkg3 | https://github.com/dependabot/elixir-security-advisories/blob/master/packages/pow_assent/2019-11-25.yml | 38.6.0 |