Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2017-5850
- cpe:2.3:o:openbsd:openbsd:6.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-5850
6.51%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-5850
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-5850
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-5850
-
http://www.openwall.com/lists/oss-security/2017/02/02/6
oss-security - Re: CVE requests: OpenBSD httpd - 2 DoSMailing List;Third Party Advisory
-
http://seclists.org/fulldisclosure/2017/Feb/15
Full Disclosure: Remote DoS against OpenBSD http server (up to 6.0)Third Party Advisory;VDB Entry
-
https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html
CVE-2017-5850 - Remote DoS against OpenBSD http server (up to 6.0) - IT Security Research by PierreExploit;Patch;Third Party Advisory
-
http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html
OpenBSD HTTP Server 6.0 Denial Of Service ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/95997
OpenBSD httpd CVE-2017-5850 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://www.exploit-db.com/exploits/41278/
OpenBSD HTTPd < 6.0 - Memory Exhaustion Denial of ServiceExploit;Patch;Third Party Advisory;VDB Entry
-
https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig
Patch;Vendor Advisory
-
https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df
Reimplement httpd's support for byte ranges. · openbsd/src@142cfc8 · GitHubPatch;Third Party Advisory
-
http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2
'CVS: cvs.openbsd.org: src' - MARCMailing List;Third Party Advisory
-
https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig
Patch;Vendor Advisory
-
http://www.securitytracker.com/id/1037758
OpenBSD httpd Bugs Let Remote Users Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
Jump to