Vulnerability Details : CVE-2016-6350
OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (NULL pointer dereference and panic) via a sysctl call with a path starting with 10,9.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2016-6350
- cpe:2.3:o:openbsd:openbsd:5.9:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:5.8:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-6350
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-6350
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-6350
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-6350
-
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/kern/vfs_subr.c.diff?r1=1.248&r2=1.249
Patch
-
http://www.openwall.com/lists/oss-security/2016/07/26/6
oss-security - CVE Request: Any User Can Panic Kernel Through Sysctl on OpenBSDExploit;Mailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/07/26/8
oss-security - Re: CVE Request: Any User Can Panic Kernel Through Sysctl on OpenBSDExploit;Mailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/92140
OpenBSD CVE-2016-6350 Local Privilege Escalation Vulnerability
-
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/tmpfs/tmpfs_vfsops.c.diff?r1=1.9&r2=1.10
Patch
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