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	0.00

A vulnerability classified as critical was found in IBM AIX 6.1/7.1 (Operating System). Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect availability. The summary by CVE is:

IBM AIX 6.1 and 7.1 does not restrict the wpar_limits_config and wpar_limits_modify system calls, which allows local users to cause a denial of service (system crash) via a crafted call.

The issue has been introduced in 11/09/2007. The weakness was disclosed 11/11/2011 (Website). The advisory is shared at xforce.iss.net. This vulnerability is known as CVE-2011-1375. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/26/2021). It is expected to see the exploit prices for this product decreasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1463 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 63703 (AIX 7.1 TL 0 : wpar (IV10227)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks.

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 databases at X-Force (71211) and Tenable (63703).

Productinfo

Type

• Operating System

Vendor

• IBM

Name

• AIX

Version

• 6.1
• 7.1

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: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.2
VulDB Temp Score: 6.2
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: Access control
CWE: CWE-264
ATT&CK: T1068

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: 63703
Nessus Name: AIX 7.1 TL 0 : wpar (IV10227)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/09/2007 🔍
03/10/2011 +1216 days 🔍
11/11/2011 +246 days 🔍
11/11/2011 +0 days 🔍
11/11/2011 +0 days 🔍
11/21/2011 +10 days 🔍
01/24/2013 +430 days 🔍
03/23/2015 +788 days 🔍
11/26/2021 +2440 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-2011-1375 (🔍)
OVAL: 🔍

X-Force: 71211
Vulnerability Center: 33885 - IBM AIX 6.1 and 7.1 Local Denial of Service via a Crafted System Call, Medium
SecurityFocus: 50670

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/26/2021 12:16
Changes: 03/23/2015 16:50 (55), 04/05/2017 14:51 (8), 11/26/2021 12:08 (2), 11/26/2021 12:16 (1)
Complete: 🔍

Discussion

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