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GHSA-9445-4cr6-336r
No affected components available
There is a vulnerability in Action Controller’s redirect_to. This vulnerability has been assigned the CVE identifier CVE-2023-22797.
Versions Affected: >= 7.0.0 Not affected: < 7.0.0 Fixed Versions: 7.0.4.1 Impact
There is a possible open redirect when using the redirect_to helper with untrusted user input.
Vulnerable code will look like this:
redirect_to(params[:some_param])
Rails 7.0 introduced protection against open redirects from calling redirect_to with untrusted user input. In prior versions the developer was fully responsible for only providing trusted input. However the check introduced could be bypassed by a carefully crafted URL.
All users running an affected release should either upgrade or use one of the workarounds immediately. Releases
The FIXED releases are available at the normal locations. Workarounds
There are no feasible workarounds for this issue. Patches
To aid users who aren’t able to upgrade immediately we have provided patches for the two supported release series. They are in git-am format and consist of a single changeset.
7-0-Fix-sec-issue-with-_url_host_allowed.patch - Patch for 7.0 series
Please note that only the 7.0.Z and 6.1.Z series are supported at present, and 6.0.Z for severe vulnerabilities. Users of earlier unsupported releases are advised to upgrade as soon as possible as we cannot guarantee the continued availability of security fixes for unsupported releases.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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