CVE-2017-5850
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
0.019 Low
EPSS
Percentile
88.6%
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.
Affected configurations
References
marc.info/?l=openbsd-cvs&m=148587359420912&w=2
packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html
seclists.org/fulldisclosure/2017/Feb/15
www.openwall.com/lists/oss-security/2017/02/02/6
www.securityfocus.com/bid/95997
www.securitytracker.com/id/1037758
ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig
ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig
github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df
pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html
www.exploit-db.com/exploits/41278/
Related
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
0.019 Low
EPSS
Percentile
88.6%