IBM Spectrum Scale up to 4.2.3.21/5.0.4.3 Kernel Argument argument injection

Summaryinfo

A vulnerability, which was classified as critical, was found in IBM Spectrum Scale up to 4.2.3.21/5.0.4.3. Impacted is an unknown function of the component Kernel. Such manipulation as part of Argument leads to argument injection. This vulnerability is traded as CVE-2020-4492. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in IBM Spectrum Scale up to 4.2.3.21/5.0.4.3 (Network Attached Storage Software) and classified as critical. Affected by this issue is some unknown functionality of the component Kernel. The manipulation as part of a Argument leads to a argument injection vulnerability. Using CWE to declare the problem leads to CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. Impacted is availability. CVE summarizes:

IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.

The weakness was shared 08/31/2020 (Website). The advisory is shared for download at ibm.com. This vulnerability is handled as CVE-2020-4492 since 12/30/2019. The attack needs to be approached locally. A simple authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/11/2020). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1059.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Network Attached Storage Software

Vendor

• IBM

Name

• Spectrum Scale

Version

• 4.2.3.0
• 4.2.3.1
• 4.2.3.2
• 4.2.3.3
• 4.2.3.4
• 4.2.3.5
• 4.2.3.6
• 4.2.3.7
• 4.2.3.8
• 4.2.3.9
• 4.2.3.10
• 4.2.3.11
• 4.2.3.12
• 4.2.3.13
• 4.2.3.14
• 4.2.3.15
• 4.2.3.16
• 4.2.3.17
• 4.2.3.18
• 4.2.3.19
• 4.2.3.20
• 4.2.3.21
• 5.0.4.0
• 5.0.4.1
• 5.0.4.2
• 5.0.4.3

License

• commercial

Website

• Vendor: https://www.ibm.com/

CPE 2.3info

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CPE 2.2info

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