CVE-2023-22493 RSSHub is vulnerable to SSRF (Server-Side Request Forgery)

High 8.8 Published Updated

Attackers can exploit SSRF in RSSHub to send arbitrary HTTP requests from the server, potentially accessing sensitive internal network resources.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2023-22493?

CVE-2023-22493 is a high-severity server-side request forgery vulnerability in DIYgod RSSHub, published on 13 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

RSSHub is an open source RSS feed generator. RSSHub is vulnerable to Server-Side Request Forgery (SSRF) attacks. This vulnerability allows an attacker to send arbitrary HTTP requests from the server to other servers or resources on the network. An attacker can exploit this vulnerability by sending a request to the affected routes with a malicious URL. An attacker could also use this vulnerability to send requests to internal or any other servers or resources on the network, potentially gain access to sensitive information that would not normally be accessible and amplifying the impact of the attack. The patch for this issue can be found in commit a66cbcf.

Weakness: CWE-918

Which versions are affected by CVE-2023-22493?

2 open source packages ship an affected version, including rsshub. It affects 1 product.

PackageAffectedFixed in
rsshub npmAll versions1.0.0-master.a66cbcf
rsshub npmAll versions1.0.0-master.a66cbcf

Products include Rsshub Rsshub.

How do I fix CVE-2023-22493?

Upgrade rsshub to 1.0.0-master.a66cbcf or later.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-22493 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-22493 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-64wp-jh9p-5cg2.

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