CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.6 | $0-$5k | 0.00 |
A vulnerability has been found in IBM AIX 6.1 (Operating System) and classified as problematic. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:
The FC SCSI protocol driver in IBM AIX 6.1 does not verify that a timer is unused before deallocating this timer, which might allow attackers to cause a denial of service (system crash) via unspecified vectors.
The issue has been introduced in 11/09/2007. The weakness was disclosed 01/20/2011 (Website). It is possible to read the advisory at www-01.ibm.com. This vulnerability is known as CVE-2011-0637 since 01/24/2011. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.
It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1169 days. During that time the estimated underground price was around $5k-$25k.
Upgrading to version 6.1 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 X-Force (64817).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 5.6
VulDB Base Score: 6.2
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: AIX 6.1
Timeline
11/09/2007 🔍01/20/2011 🔍
01/20/2011 🔍
01/20/2011 🔍
01/20/2011 🔍
01/24/2011 🔍
01/24/2011 🔍
03/19/2015 🔍
04/13/2019 🔍
Sources
Vendor: ibm.comAdvisory: www-01.ibm.com
Status: Not defined
CVE: CVE-2011-0637 (🔍)
X-Force: 64817
SecurityFocus: 45931 - IBM AIX 'FC SCSI' Protocol Driver Denial of Service Vulnerability
Secunia: 42962
OSVDB: 70519 - IBM AIX FC SCSI Protocol Driver Timer Deallocation Local DoS
Vupen: ADV-2011-0176
Entry
Created: 03/19/2015 23:27Updated: 04/13/2019 11:21
Changes: 03/19/2015 23:27 (60), 04/13/2019 11:21 (2)
Complete: 🔍
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