CVE-2018-17155

In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc	Patch Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:freebsd:freebsd::::::::
	cpe:2.3:o:freebsd:freebsd:10.4:::::::*
	cpe:2.3:o:freebsd:freebsd:10.4:p13::::::
	cpe:2.3:o:freebsd:freebsd:11.1:p15::::::
	cpe:2.3:o:freebsd:freebsd:11.2:p4::::::

History

21 Nov 2024, 03:53

Type	Values Removed	Values Added
References	~~() https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc - Patch, Vendor Advisory~~	() https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc - Patch, Vendor Advisory

Information

Published : 2018-09-28 13:29

Updated : 2024-11-21 03:53

NVD link : CVE-2018-17155

Mitre link : CVE-2018-17155

CVE.ORG link : CVE-2018-17155

JSON object : View

Products Affected

freebsd

freebsd

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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