VulnerabilityModified
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.
HIGH 7.5EPSS 17.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 17.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 17.20% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- openbsd/openbsd
- Source
- cve@mitre.org
References
- http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2017/Feb/15Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2017/02/02/6Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95997Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037758Third Party Advisory, VDB Entry
- https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sigPatch, Vendor Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sigPatch, Vendor Advisory
- https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19dfPatch, Third Party Advisory
- https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.htmlExploit, Patch, Third Party Advisory
- https://www.exploit-db.com/exploits/41278/Exploit, Patch, Third Party Advisory, VDB Entry
- http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2017/Feb/15Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2017/02/02/6Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95997Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037758Third Party Advisory, VDB Entry
- https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sigPatch, Vendor Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sigPatch, Vendor Advisory
- https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19dfPatch, Third Party Advisory
- https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.htmlExploit, Patch, Third Party Advisory
- https://www.exploit-db.com/exploits/41278/Exploit, Patch, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.