High severity · published Mar 27, 2017
CVE-2017-5850
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header
7.5
CVSS
17.2%
EPSS
No
On KEV
Description
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)17.2% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openbsd · Openbsd
6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5850
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5850
Mailing List
http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2
Exploit
http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html
Third Party Advisory
http://seclists.org/fulldisclosure/2017/Feb/15
Mailing List
http://www.openwall.com/lists/oss-security/2017/02/02/6
Third Party Advisory
http://www.securityfocus.com/bid/95997
Third Party Advisory
http://www.securitytracker.com/id/1037758
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