CVE-2016-1885

Integer signedness error in the amd64_set_ldt function in sys/amd64/amd64/sys_machdep.c in FreeBSD 9.3 before p39, 10.1 before p31, and 10.2 before p14 allows local users to cause a denial of service (kernel panic) via an i386_set_ldt system call, which triggers a heap-based buffer overflow.

CVSS v3.0 6.2 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.2^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://www.securitytracker.com/id/1035309
http://seclists.org/fulldisclosure/2016/Mar/56
http://seclists.org/fulldisclosure/2016/Mar/67
http://www.coresecurity.com/advisories/freebsd-kernel-amd64setldt-heap-overflow
https://www.exploit-db.com/exploits/39570/	Exploit
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc	Vendor Advisory
http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.html	Exploit
http://www.securityfocus.com/archive/1/537813/100/0/threaded
http://www.securityfocus.com/archive/1/537812/100/0/threaded

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:freebsd:freebsd:10.2:::::::*
	cpe:2.3:o:freebsd:freebsd:9.3:::::::*
	cpe:2.3:o:freebsd:freebsd:10.1:::::::*

Information

Published : 2016-04-11 19:00

Updated : 2018-10-09 12:59

NVD link : CVE-2016-1885

Mitre link : CVE-2016-1885

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

freebsd

freebsd

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