CVE-2016-1886

Integer signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory overwrite and kernel crash), or gain privileges via a negative value in the flen structure member in the arg argument in a SETFKEY ioctl call, which triggers a "two way heap and stack overflow."
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:freebsd:freebsd:9.3:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:10.3:*:*:*:*:*:*:*

History

21 Nov 2024, 02:47

Type Values Removed Values Added
References () http://cturt.github.io/SETFKEY.html - Exploit () http://cturt.github.io/SETFKEY.html - Exploit
References () http://www.securityfocus.com/bid/90734 - () http://www.securityfocus.com/bid/90734 -
References () http://www.securitytracker.com/id/1035905 - () http://www.securitytracker.com/id/1035905 -
References () https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch - Patch () https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch - Patch
References () https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc - Vendor Advisory () https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc - Vendor Advisory

Information

Published : 2016-05-25 15:59

Updated : 2024-11-21 02:47


NVD link : CVE-2016-1886

Mitre link : CVE-2016-1886

CVE.ORG link : CVE-2016-1886


JSON object : View

Products Affected

freebsd

  • freebsd
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer