Oracle Solaris 11.4 Kernel null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Oracle Solaris 11.4. This issue affects some unknown processing of the component Kernel. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2015-6937. The attack needs to be launched locally. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Oracle Solaris 11.4 (Operating System) and classified as critical. Affected by this vulnerability is some unknown processing of the component Kernel. 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 bug was discovered 09/14/2015. The weakness was published 10/16/2018 as Oracle Critical Patch Update Advisory - October 2018 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2015-6937 since 09/14/2015. Attacking locally is a requirement. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 35 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 86465 (Ubuntu 12.04 LTS : linux vulnerabilities (USN-2773-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 296031 (Solaris 11.4 Support Repository Update (SRU) 1.4.0 Missing).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (86465) and SecurityFocus (BID 76767†). Similar entries are available at VDB-77706, VDB-88376, VDB-125476 and VDB-125468. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 5.5
Vendor Vector (Oracle): 🔍

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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Nessus ID: 86465
Nessus Name: Ubuntu 12.04 LTS : linux vulnerabilities (USN-2773-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-3098
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: git.kernel.org

Timelineinfo

09/14/2015 🔍
09/14/2015 +0 days 🔍
09/14/2015 +0 days 🔍
10/19/2015 +35 days 🔍
10/20/2015 +1 days 🔍
10/16/2018 +1091 days 🔍
10/16/2018 +0 days 🔍
10/17/2018 +1 days 🔍
05/29/2023 +1685 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2018
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-6937 (🔍)
GCVE (CVE): GCVE-0-2015-6937
GCVE (VulDB): GCVE-100-125635

OVAL: 🔍

SecurityFocus: 76767 - Linux Kernel CVE-2015-6937 Null Pointer Deference Denial of Service Vulnerability
SecurityTracker: 1034453

See also: 🔍

Entryinfo

Created: 10/17/2018 08:40
Updated: 05/29/2023 13:11
Changes: 10/17/2018 08:40 (68), 04/04/2020 15:46 (15), 05/29/2023 13:11 (6)
Complete: 🔍
Cache ID: 216:7C3:103

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