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.
6.2	$0-$5k	0.03

Summaryinfo

A vulnerability, which was classified as problematic, was found in illumos smbsrv. Affected is an unknown function. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2016-6561. It is possible to launch the attack remotely. There is no exploit available. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in illumos smbsrv (the affected version unknown). This issue affects an unknown part. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

illumos smbsrv NULL pointer dereference allows system crash.

The bug was discovered 03/31/2017. The weakness was disclosed 03/31/2017 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2016-6561 since 08/03/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful 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 98079†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• illumos

Name

• smbsrv

License

• open-source

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

08/03/2016 🔍
03/31/2017 +240 days 🔍
03/31/2017 +0 days 🔍
03/31/2017 +0 days 🔍
04/01/2017 +1 days 🔍
04/05/2017 +4 days 🔍
11/24/2022 +2059 days 🔍

Sourcesinfo

Advisory: 6d1c73b5858fefc6161c7d686345f0dc887ea799
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6561 (🔍)
GCVE (CVE): GCVE-0-2016-6561
GCVE (VulDB): GCVE-100-99137
SecurityFocus: 98079 - illumos CVE-2016-6561 Denial of Service Vulnerability
OSVDB: - CVE-2016-6561 - illumos - Denial of Service Issue

Entryinfo

Created: 04/01/2017 10:08
Updated: 11/24/2022 10:37
Changes: 04/01/2017 10:08 (61), 11/24/2022 10:37 (5)
Complete: 🔍
Cache ID: 216:50F:103

Discussion

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