IBM AIX 5.3/6.1/7.1/7.2 mustendd Device Driver input validation

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.
3.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in IBM AIX 5.3/6.1/7.1/7.2 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component mustendd Device Driver. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2016-0281. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic has been found in IBM AIX 5.3/6.1/7.1/7.2 (Operating System). This affects an unknown part of the component mustendd Device Driver. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

The mustendd driver in IBM AIX 5.3, 6.1, 7.1, and 7.2 and VIOS 2.2.x, when the jumbo_frames feature is not enabled, allows remote attackers to cause a denial of service (FC1763 or FC5899 adapter crash) via crafted packets.

The weakness was disclosed 07/28/2016 as Vulnerability in mustendd device driver impacts AIX as confirmed advisory (Website). It is possible to read the advisory at aix.software.ibm.com. This vulnerability is uniquely identified as CVE-2016-0281 since 12/08/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:

IBM AIX Adapter FC5899 / FC1763 with "jumbo_frames" disabled could allow a remote attacker to send specially crafted packets that would crash the adapter.

The vulnerability scanner Nessus provides a plugin with the ID 92611 (AIX 7.1 TL 3 : mustendd (IV82421)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 330005 (IBM AIX mustendd device Vulnerability).

Applying a patch is able to eliminate this problem. It is possible to mitigate the problem by applying the configuration setting jumbo_frames = enabled. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (92611), SecurityFocus (BID 92193†) and SecurityTracker (ID 1036481†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 92611
Nessus Name: AIX 7.1 TL 3 : mustendd (IV82421)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Config: jumbo_frames = enabled

Timelineinfo

12/08/2015 🔍
07/28/2016 +233 days 🔍
07/28/2016 +0 days 🔍
07/28/2016 +0 days 🔍
07/29/2016 +1 days 🔍
07/29/2016 +0 days 🔍
07/31/2016 +2 days 🔍
08/07/2016 +7 days 🔍
11/02/2024 +3009 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: Vulnerability in mustendd device driver impacts AIX
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-0281 (🔍)
GCVE (CVE): GCVE-0-2016-0281
GCVE (VulDB): GCVE-100-90387

OVAL: 🔍

SecurityFocus: 92193 - IBM AIX CVE-2016-0281 Remote Denial of Service Vulnerability
SecurityTracker: 1036481

Entryinfo

Created: 07/31/2016 20:39
Updated: 11/02/2024 19:09
Changes: 07/31/2016 20:39 (69), 03/13/2019 19:34 (11), 11/02/2024 19:09 (18)
Complete: 🔍
Cache ID: 216:1B7:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!