CVE-2018-17159

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, the NFS server lacks a bounds check in the READDIRPLUS NFS request. Unprivileged remote users with access to the NFS server can cause a resource exhaustion by forcing the server to allocate an arbitrarily large memory allocation.
Overview
  • CVE ID
  • CVE-2018-17159
  • Assigner
  • secteam@freebsd.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-12-04T15:29:00
  • Last Modified Date
  • 2018-12-31T16:45:40
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* 1 OR 11.2
cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc Third Party Advisory
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/ Third Party Advisory
http://www.securitytracker.com/id/1042164 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/106192 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-17159
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17159
History
Created Old Value New Value Data Type Notes
2022-05-10 17:48:55 Added to TrackCVE
2022-12-03 14:58:01 2018-12-04T15:29Z 2018-12-04T15:29:00 CVE Published Date updated
2022-12-03 14:58:01 2018-12-31T16:45:40 CVE Modified Date updated
2022-12-03 14:58:01 Analyzed Vulnerability Status updated