A vulnerability was found in IBM DataPower Gateways 2/7/7.1/7.5/7.6. It has been classified as critical. Affected is an unknown function of the component DNS Cache. The manipulation as part of a DNS Response leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

IBM DataPower Gateways 7.1, 7,2, 7.5, and 7.6 could allow an attacker using man-in-the-middle techniques to spoof DNS responses to perform DNS cache poisoning and redirect Internet traffic. IBM X-Force ID: 136817.

The bug was discovered 01/30/2018. The weakness was released 01/31/2018 (Website). The advisory is available at ibm.com. This vulnerability is traded as CVE-2017-1773 since 11/30/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/02/2021). 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 1 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.

Entries connected to this vulnerability are available at VDB-43503, VDB-43504, VDB-43505 and VDB-43506.

Productinfo

Vendor

• IBM

Name

• DataPower Gateways

Version

• 2
• 7
• 7.1
• 7.5
• 7.6

License

• commercial

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