IBM API Connect 5.0.7.0/5.0.7.1/5.0.7.2 Regular Expression input validation

Summaryinfo

A vulnerability, which was classified as problematic, was found in IBM API Connect 5.0.7.0/5.0.7.1/5.0.7.2. Impacted is an unknown function of the component Regular Expression. The manipulation results in input validation. This vulnerability is cataloged as CVE-2017-1556. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in IBM API Connect 5.0.7.0/5.0.7.1/5.0.7.2 (Automation Software). It has been classified as critical. Affected is some unknown functionality of the component Regular Expression. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could allow an authenticated attacker to use a regex and cause the system to slow or hang. IBM X-Force ID: 131546.

The bug was discovered 09/11/2017. The weakness was shared 09/13/2017 (Website). The advisory is shared for download at ibm.com. This vulnerability is traded as CVE-2017-1556 since 11/30/2016. It is possible to launch the attack remotely. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/12/2021). 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 2 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.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100831†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Automation Software

Vendor

• IBM

Name

• API Connect

Version

• 5.0.7.0
• 5.0.7.1
• 5.0.7.2

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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