CVE-2016-1885
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
6.2 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6 Medium
AI Score
Confidence
High
0.005 Low
EPSS
Percentile
75.6%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| freebsd:freebsd | freebsd | eq | 9.3 |
| freebsd:freebsd | freebsd | eq | 10.1 |
| freebsd:freebsd | freebsd | eq | 10.2 |
References
packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.html
seclists.org/fulldisclosure/2016/Mar/56
seclists.org/fulldisclosure/2016/Mar/67
www.coresecurity.com/advisories/freebsd-kernel-amd64setldt-heap-overflow
www.securityfocus.com/archive/1/537812/100/0/threaded
www.securityfocus.com/archive/1/537813/100/0/threaded
www.securitytracker.com/id/1035309
security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc
www.exploit-db.com/exploits/39570/
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
6.2 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6 Medium
AI Score
Confidence
High
0.005 Low
EPSS
Percentile
75.6%