National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-5850 Detail

Current 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.

Source:  MITRE
Description Last Modified:  03/27/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2 Mailing List Third Party Advisory
http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2017/Feb/15 Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2017/02/02/6 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/95997 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037758 Third Party Advisory VDB Entry
https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig Patch Vendor Advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig Patch Vendor Advisory
https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df Patch Third Party Advisory
https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html Exploit Patch Third Party Advisory
https://www.exploit-db.com/exploits/41278/ Exploit Patch Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:openbsd:openbsd:6.0:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-5850
NVD Published Date:
03/27/2017
NVD Last Modified:
03/31/2017