VulnerabilityModified
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.
CRITICAL 9.8EPSS 2.15%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.15% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- cherokee-project/cherokee
- Source
- cve@mitre.org
References
- https://github.com/cherokee/webserver/issues/1224Exploit, Third Party Advisory
- https://logicaltrust.net/blog/2019/11/cherokee.htmlExploit, Third Party Advisory
- https://security.gentoo.org/glsa/202012-09Third Party Advisory
- https://github.com/cherokee/webserver/issues/1224Exploit, Third Party Advisory
- https://logicaltrust.net/blog/2019/11/cherokee.htmlExploit, Third Party Advisory
- https://security.gentoo.org/glsa/202012-09Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.