Vulnerability Monitor

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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.

Published

2020-05-18T00:15:11.330

Last Modified

2024-11-21T04:39:23.597

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cherokee-project	cherokee	≤ 1.2.104	Yes

References

https://github.com/cherokee/webserver/issues/1224 Exploit, Third Party Advisory ([email protected])
https://logicaltrust.net/blog/2019/11/cherokee.html Exploit, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202012-09 Third Party Advisory ([email protected])
https://github.com/cherokee/webserver/issues/1224 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://logicaltrust.net/blog/2019/11/cherokee.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202012-09 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)