CVE-2018-17154

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5

Description

In FreeBSD before 11.2-STABLE(r338987), 11.2-RELEASE-p4, and 11.1-RELEASE-p15, due to insufficient memory checking in the freebsd4_getfsstat system call, a NULL pointer dereference can occur. Unprivileged authenticated local users may be able to cause a denial of service.

Overview

CVE ID
CVE-2018-17154

Assigner
secteam@freebsd.org

Vulnerability Status
Analyzed

Published Version
2018-09-28T13:29:00

Last Modified Date
2018-11-23T14:16:47

Weakness Enumerations

CWE	URL
CWE-476	http://cwe.mitre.org/data/definitions/476.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
cpe:2.3:o:freebsd:freebsd::::::::	1	OR	11.2
cpe:2.3:o:freebsd:freebsd:11.1:p15::::::	1	OR
cpe:2.3:o:freebsd:freebsd:11.2:p4::::::	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
COMPLETE

Base Score
4.9

Severity
MEDIUM

Exploitability Score
3.9

Impact Score
6.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:10.syscall.asc	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-17154
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17154

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:51:53				Added to TrackCVE
2022-12-03 12:40:20	2018-09-28T13:29Z	2018-09-28T13:29:00	CVE Published Date	updated
2022-12-03 12:40:20		2018-11-23T14:16:47	CVE Modified Date	updated
2022-12-03 12:40:20		Analyzed	Vulnerability Status	updated