CVE-2018-16470
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-16470
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-16470.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
- https://groups.google.com/forum/#!topic/ruby-security-ann/Dz4sRl-ktKk
- https://www.suse.com/security/cve/CVE-2018-16470.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-16470
- https://access.redhat.com/errata/RHSA-2019:3172
- https://github.com/rack/rack
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2018-16470.yml
- https://groups.google.com/forum/#!msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ
- https://security-tracker.debian.org/tracker/CVE-2018-16470
Verify integrity in audit chain (admin only). AS-IS.