A vulnerability, which was classified as problematic, was found in IBM Tivoli Storage Manager 7.1/8.1 (Backup Software). This affects an unknown code of the component Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality. The summary by CVE is:

The IBM Tivoli Storage Manager (IBM Spectrum Protect 7.1 and 8.1) default authentication protocol is vulnerable to a brute force attack due to disclosing too much information during authentication. An attacker could gain user or administrative access to the TSM server. IBM X-Force ID: 118750.

The bug was discovered 10/02/2017. The weakness was disclosed 10/05/2017 (Website). The advisory is shared at ibm.com. This vulnerability is uniquely identified as CVE-2016-8937 since 10/25/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/15/2021). 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 3 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.

Productinfo

Type

• Backup Software

Vendor

• IBM

Name

• Tivoli Storage Manager

Version

• 7.1
• 8.1

License

• commercial

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