IBM iNotes 8.5/9.0 DLL untrusted search path

Summaryinfo

A vulnerability labeled as critical has been found in IBM iNotes 8.5/9.0. Affected is an unknown function of the component DLL Handler. Executing a manipulation can lead to untrusted search path. This vulnerability is registered as CVE-2017-1711. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in IBM iNotes 8.5/9.0 (Groupware Software). It has been declared as critical. This vulnerability affects an unknown part of the component DLL Handler. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

IBM iNotes 8.5 and 9.0 SUService can be misguided into running malicious code from a DLL masquerading as a windows DLL in the temp directory. IBM X-Force ID: 134532.

The bug was discovered 02/08/2018. The weakness was published 02/13/2018 (Website). The advisory is shared for download at ibm.com. This vulnerability was named CVE-2017-1711 since 11/30/2016. The attack needs to be approached locally. A single authentication is necessary 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 02/03/2021). 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 T1574.

The vulnerability was handled as a non-public zero-day exploit for at least 5 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 370777 (IBM Notes Multiple Vulnerabilities(swg22010777,swg22010767,swg22010775)).

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

Similar entries are available at VDB-113201, VDB-113202, VDB-113582 and VDB-113583. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Groupware Software

Vendor

• IBM

Name

• iNotes

Version

• 8.5
• 9.0

License

• commercial

Website

• Vendor: https://www.ibm.com/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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