IBM Spectrum Scale up to 4.2.3.21/5.0.4.3 mmfsd/mmsdrserv denial of service

Summaryinfo

A vulnerability was found in IBM Spectrum Scale up to 4.2.3.21/5.0.4.3. It has been rated as problematic. Impacted is an unknown function of the component mmfsd/mmsdrserv. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2020-4412. Remote exploitation of the attack is possible. No exploit is 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 problematic. This issue affects an unknown function of the component mmfsd/mmsdrserv. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service security vulnerability. An attacker can force the Spectrum Scale mmfsd/mmsdrserv daemons to unexpectedly exit, impacting the functionality of the Spectrum Scale cluster and the availability of file systems managed by Spectrum Scale. IBM X-Force ID: 179987.

The weakness was published 05/19/2020 (Website). It is possible to read the advisory at exchange.xforce.ibmcloud.com. The identification of this vulnerability is CVE-2020-4412 since 12/30/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/20/2020). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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

Similar entry is available at VDB-155434. Statistical analysis made it clear that VulDB provides the best quality 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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Entryinfo

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