Out-of-bounds Read in Caddyserver Caddy
CVE-2022-34037
An out-of-bounds read in the rewrite function at /modules/caddyhttp/rewrite/rewrite.go in Caddy v2.5.1 allows attackers to cause a Denial of Service (DoS) via a crafted URI. Note: This has been disputed as a bug, not a security vulnerabili…
Vulnerability class: Buffer Overflow
EPSS: 0.011 (63.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Caddyserver Caddy — versions 2.5.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org
Frequently asked questions
- What is CVE-2022-34037?
- CVE-2022-34037 is a high-severity vulnerability in Caddyserver Caddy, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2022-07-22.
- How severe is CVE-2022-34037?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-34037 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.