VDB-97597 · CVE-2016-6350 · BID 92140

OpenBSD 5.8/5.9 sysctl Call null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in OpenBSD 5.8/5.9 and classified as problematic. Impacted is an unknown function of the component sysctl Call Handler. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2016-6350. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in OpenBSD 5.8/5.9 (Operating System). Affected by this vulnerability is an unknown part of the component sysctl Call Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (NULL pointer derference and panic) via a sysctl call with a path starting with 10,9.

The bug was discovered 03/07/2017. The weakness was disclosed 03/07/2017 by Jesse Hertz with NCC Group (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2016-6350 since 07/26/2016. An attack has to be approached locally. A single authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92140†). The entries VDB-97593, VDB-97598, VDB-97596 and VDB-97595 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2016 🔍
07/26/2016 +0 days 🔍
03/07/2017 +224 days 🔍
03/07/2017 +0 days 🔍
03/07/2017 +0 days 🔍
03/07/2017 +0 days 🔍
09/04/2020 +1277 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Jesse Hertz
Organization: NCC Group
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6350 (🔍)
GCVE (CVE): GCVE-0-2016-6350
GCVE (VulDB): GCVE-100-97597
SecurityFocus: 92140 - OpenBSD CVE-2016-6350 Local Privilege Escalation Vulnerability
OSVDB: - CVE-2016-6350 - OpenBSD - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/07/2017 21:47
Updated: 09/04/2020 14:19
Changes: 03/07/2017 21:47 (58), 09/04/2020 14:19 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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