CVE-2016-6244 — HIGH (7.5) — White Hats Nepal

Vulnerability 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 Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openbsd	Openbsd	5.9

Related Weaknesses (CWE)

CWE-20

References

http://www.openwall.com/lists/oss-security/2016/07/17/7ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/91805Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2016/07/17/7ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/91805Third Party AdvisoryVDB Entry

FAQ

What is CVE-2016-6244?

CVE-2016-6244 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2016-6244?

CVE-2016-6244 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-6244?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openbsd.