Buffer overflow in Cherokee-project Cherokee
CVE-2019-20800
In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in cherokee_handler_cgi_add_env_pair in handler_cgi.c by sending many request headers, as demonstrated by a GET request with many "Host: 127.0.0.1" headers.
Vulnerability class: Buffer Overflow
EPSS: 0.021 (80.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cherokee-project Cherokee
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2019-20800?
- CVE-2019-20800 is a critical-severity vulnerability in Cherokee-project Cherokee, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-05-18.
- How severe is CVE-2019-20800?
- Critical severity. CVSS v3 base score is 9.8 out of 10.