High severity · published Mar 7, 2017
CVE-2016-6244
The sys_thrsigdivert function in kern/kern_sig.c in the OpenBSD kernel 5.9 allows remote attackers to cause a denial of service (panic) via a negative "ts.tv_sec" value
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
The sys_thrsigdivert function in kern/kern_sig.c in the OpenBSD kernel 5.9 allows remote attackers to cause a denial of service (panic) via a negative "ts.tv_sec" value.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openbsd · Openbsd
5.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6244
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6244
Exploit
http://www.openwall.com/lists/oss-security/2016/07/17/7
Third Party Advisory
http://www.securityfocus.com/bid/91805
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