CVE-2018-17157

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error when handling opcodes can cause memory corruption by sending a specially crafted NFSv4 request. Unprivileged remote users with access to the NFS server may be able to execute arbitrary code.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc	Patch Vendor Advisory
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-25/	Third Party Advisory
http://www.securitytracker.com/id/1042164	Patch Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/106192	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:freebsd:freebsd::::::::
	cpe:2.3:o:freebsd:freebsd:11.2:p4::::::

Information

Published : 2018-12-04 07:29

Updated : 2019-01-24 11:36

NVD link : CVE-2018-17157

Mitre link : CVE-2018-17157

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

Products Affected

freebsd

freebsd

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9.8 /10