Resource exhaustion in Coraza
CVE-2023-40586
OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. Due to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers. The application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`. This issue was patched in version 3.0.1.
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: 0.007 (52.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Coraza — versions 3.0.0
- Corazawaf Coraza — versions < 3.0.1
Weakness classification (CWE)
References
- github.com/corazawaf/coraza/security/advisories/GHSA-c2pj-v37r-2p6h (Mitigation, Vendor Advisory)
- github.com/corazawaf/coraza/commit/a5239ba3ce839e14d9b4f9486e1b4a403dcade8c (Patch)
Frequently asked questions
- What is CVE-2023-40586?
- CVE-2023-40586 is a high-severity vulnerability in Coraza, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-08-25.
- How severe is CVE-2023-40586?
- High severity. CVSS v3 base score is 7.5 out of 10.