Vulnerability DatabaseCVE-2016-1885
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CVE-2016-1885
April 08, 2016
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.
Related Resources (9)
http://www.securityfocus.com/archive/1/537813/100/0/threaded
http://www.coresecurity.com/advisories/freebsd-kernel-amd64setldt-heap-overflow
http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.html
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc
http://seclists.org/fulldisclosure/2016/Mar/67
https://www.exploit-db.com/exploits/39570/
http://www.securitytracker.com/id/1035309
http://seclists.org/fulldisclosure/2016/Mar/56
http://www.securityfocus.com/archive/1/537812/100/0/threaded
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CVSS v4
Base Score:
6.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.2
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
CVSS v2
Base Score:
4.9
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Weakness Type (CWE)
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119
EPSS
Base Score:
0.15