A vulnerability was found in IBM Rhapsody DM 4.0/5.0/6.0. It has been declared as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality. The summary by CVE is:

IBM Rhapsody DM 4.0, 5.0 and 6.0 is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when processing XML data. A remote attacker could exploit this vulnerability to expose highly sensitive information or consume all available memory resources. IBM Reference #: 1997798.

The bug was discovered 02/07/2017. The weakness was published 02/23/2017 (Website). The advisory is shared at ibm.com. This vulnerability is known as CVE-2016-8974 since 10/25/2016. The attack can be launched remotely. A single authentication is required for exploitation. 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 09/02/2020). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $5k-$25k.

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

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Vendor

• IBM

Name

• Rhapsody DM

Version

• 4.0
• 5.0
• 6.0

License

• commercial

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