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Vulnerability · Published Mar 6, 2024 · Assigned by GitHub_M

CVE-2024-27927RSSHub vulnerable to SSRF in /mastodon, /zjoi, and /m4

Medium 6.5

In plain English

A medium-severity server-side request forgery in RSSHub from DIYgod. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.0%top 35.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

RSSHub is an open source RSS feed generator. Prior to version 1.0.0-master.a429472, RSSHub allows remote attackers to use the server as a proxy to send HTTP GET requests to arbitrary targets and retrieve information in the internal network or conduct Denial-of-Service (DoS) attacks. The attacker can send malicious requests to a RSSHub server, to make the server send HTTP GET requests to arbitrary destinations and see partial responses. This may lead to leak the server IP address, which could be hidden behind a CDN; retrieving information in the internal network, e.g. which addresses/ports are accessible, the titles and meta descriptions of HTML pages; and denial of service amplification. The attacker could request the server to download some large files, or chain several SSRF requests in a single attacker request.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmrsshub1.0.0-master.a429472GHSA-3p3p-cgj7-vgw3

Affected products (as reported)

VendorProductVersions
DIYgod RSSHub < 1.0.0-master.a429472

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

References