IBM MQ up to 9.1.0.0 Console REST API denial of service

Summaryinfo

A vulnerability classified as problematic was found in IBM MQ 9.0.2/9.0.3/9.0.4/9.0.5/9.1.0.0. This impacts an unknown function of the component Console REST API. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2018-1883. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in IBM MQ 9.0.2/9.0.3/9.0.4/9.0.5/9.1.0.0. It has been declared as problematic. This vulnerability affects an unknown function of the component Console REST API. 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. CVE summarizes:

A problem within the IBM MQ 9.0.2, 9.0.3, 9.0.4, 9.0.5, and 9.1.0.0 Console REST API Could allow attackers to execute a denial of service attack preventing users from logging into the MQ Console REST API. IBM X-Force ID: 151969.

The bug was discovered 12/05/2018. The weakness was presented 12/07/2018 (Website). The advisory is shared for download at exchange.xforce.ibmcloud.com. This vulnerability was named CVE-2018-1883 since 12/13/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful 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 06/13/2023). 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 T1499.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371582 (IBM MQ DoS Vulnerability (IBM10738197)).

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 vulnerability database at SecurityFocus (BID 106146†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• IBM

Name

• MQ

Version

• 9.0.2
• 9.0.3
• 9.0.4
• 9.0.5
• 9.1.0.0

License

• commercial

Website

• Vendor: https://www.ibm.com/

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Once again VulDB remains the best source for vulnerability data.

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