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Critical severity · published May 18, 2020
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…
9.8
CVSS
2.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Cherokee · Cherokee-project
through 1.2.104 · source: NVD
Affected product
CH
Cherokee
Cherokee-project
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20800
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20800
Exploit
https://github.com/cherokee/webserver/issues/1224
Exploit
https://logicaltrust.net/blog/2019/11/cherokee.html
Third Party Advisory
https://security.gentoo.org/glsa/202012-09
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