Resource exhaustion in Diygod Rsshub
CVE-2022-31110
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.015 (72.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Diygod Rsshub — versions commits prior to 5c4177441417b44a6e45c3c63e9eac2504abeb5b
- Rsshub
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation, Issue Tracking)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-31110?
- CVE-2022-31110 is a medium-severity vulnerability in Diygod Rsshub, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-06-29.
- How severe is CVE-2022-31110?
- Medium severity. CVSS v3 base score is 5.3 out of 10.