Vulnerability · Published Jun 29, 2022 · Assigned by GitHub_M

CVE-2022-31110Denial of Service (DoS) vulnerability in RSSHub

Medium 5.3

In plain English

A medium-severity uncontrolled resource consumption in RSSHub from DIYgod. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)1.6%top 24.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

RSSHub is an open source, extensible RSS feed generator. In commits prior to 5c4177441417 passing some special values to the `filter` and `filterout` parameters can cause an abnormally high CPU. This results in an impact on the performance of the servers and RSSHub services which may lead to a denial of service. This issue has been fixed in commit 5c4177441417 and all users are advised to upgrade. There are no known workarounds for this issue.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	rsshub	no fix listed	GHSA-jvxx-v45p-v5vf

Affected products (as reported)

Vendor	Product	Versions
DIYgod	RSSHub	commits prior to 5c4177441417b44a6e45c3c63e9eac2504abeb5b

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

https://github.com/DIYgod/RSSHub/security/advisories/GHSA-jvxx-v45p-v5vf x_refsource_CONFIRM
https://github.com/DIYgod/RSSHub/issues/10045 x_refsource_MISC
https://github.com/DIYgod/RSSHub/commit/5c4177441417b44a6e45c3c63e9eac2504abeb5b x_refsource_MISC