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Debian LTS Advisory DLA-2655-1              debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Utkarsh Gupta
May 12, 2021                                https://wiki.debian.org/LTS
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Package        : rails
Version        : 2:4.2.7.1-1+deb9u5
CVE ID         : CVE-2021-22885 CVE-2021-22904
Debian Bug     : 988214

CVE-2021-22885

    There is a possible information disclosure/unintended method
    execution vulnerability in Action Pack when using the
    `redirect_to` or `polymorphic_url` helper with untrusted user
    input.

CVE-2021-22904

    There is a possible DoS vulnerability in the Token Authentication
    logic in Action Controller. Impacted code uses
    `authenticate_or_request_with_http_token` or
    `authenticate_with_http_token` for request authentication.

For Debian 9 stretch, these problems have been fixed in version
2:4.2.7.1-1+deb9u5.

We recommend that you upgrade your rails packages.

For the detailed security status of rails please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/rails

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS