Resource exhaustion in Rack
CVE-2023-27530
A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Rack
- Debian Linux — versions 10.0, 11.0
- Https://github.com/rack/rack — versions 3.0.4.2, 2.2.6.3, 2.1.4.3, 2.0.9.3
Weakness classification (CWE)
References
- discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipar… (Patch, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2023/04/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2023/dsa-5530 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20231208-0015/
Frequently asked questions
- What is CVE-2023-27530?
- CVE-2023-27530 is a high-severity vulnerability in Rack, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-03-10.
- How severe is CVE-2023-27530?
- High severity. CVSS v3 base score is 7.5 out of 10.