Out-of-Bounds Affecting kfreebsd-10 package, versions <10.3~svn300087-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN10-KFREEBSD10-337071
- published25 May 2016
- disclosed25 May 2016
Introduced: 25 May 2016
CVE-2016-1886 (opens in a new tab)How to fix?
Upgrade Debian:10 kfreebsd-10 to version 10.3~svn300087-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kfreebsd-10 package and not the kfreebsd-10 package as distributed by Debian.
See How to fix? for Debian:10 relevant fixed versions and status.
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."
References
- https://security-tracker.debian.org/tracker/CVE-2016-1886
- http://cturt.github.io/SETFKEY.html
- https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch
- https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc
- http://www.securityfocus.com/bid/90734
- http://www.securitytracker.com/id/1035905