CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.00

A vulnerability was found in Oracle Solaris 11.2 (Operating System) and classified as problematic. This issue affects some unknown processing of the component NSCD. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in Oracle Sun Solaris 11.2 allows local users to affect confidentiality, integrity, and availability via vectors related to NSCD.

The weakness was published 10/20/2015 as Oracle Critical Patch Update Advisory - October 2015 as confirmed advisory (Website). The advisory is shared at oracle.com. The identification of this vulnerability is CVE-2015-4891 since 06/24/2015. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86534 (Oracle Solaris Critical Patch Update : oct2015_SRU11_2_15_4_0), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Solaris Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124167 (Solaris 11.2 Support Repository Update (SRU) 15.4.0 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 vulnerability database at Tenable (86534). Similar entries are available at 77628, 78614, 78643 and 78622.

Productinfo

Type

• Operating System

Vendor

• Oracle

Name

• Solaris

Version

• 11.2

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 86534
Nessus Name: Oracle Solaris Critical Patch Update : oct2015_SRU11_2_15_4_0
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

06/24/2015 🔍
10/20/2015 +118 days 🔍
10/20/2015 +0 days 🔍
10/20/2015 +0 days 🔍
10/21/2015 +1 days 🔍
10/21/2015 +0 days 🔍
10/21/2015 +0 days 🔍
06/23/2022 +2437 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2015
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4891 (🔍)
SecurityTracker: 1033881
Vulnerability Center: 53690 - [cpuoct2015-2367953-Sun-Systems-Products-Suite] Oracle Solaris Local Code Execution Vulnerability - CVE-2015-4891, Medium
SecurityFocus: 77152

See also: 🔍

Entryinfo

Created: 10/21/2015 12:52
Updated: 06/23/2022 12:28
Changes: 10/21/2015 12:52 (61), 02/15/2018 07:49 (7), 06/23/2022 12:21 (3), 06/23/2022 12:28 (1)
Complete: 🔍

Discussion

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