IBM Sterling File Gateway up to 6.0.1.0 URL path traversal

Summaryinfo

A vulnerability was found in IBM Sterling File Gateway up to 6.0.1.0. It has been rated as critical. The impacted element is an unknown function of the component URL Handler. This manipulation with the input /../ causes path traversal. This vulnerability is registered as CVE-2019-4423. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in IBM Sterling File Gateway up to 6.0.1.0 (Business Process Management Software). It has been declared as critical. Affected by this vulnerability is an unknown function of the component URL Handler. The manipulation with the input value /../ leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

IBM Sterling File Gateway 2.2.0.0 through 6.0.1.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 162769.

The weakness was published 09/30/2019 (Website). The advisory is shared at exchange.xforce.ibmcloud.com. This vulnerability is known as CVE-2019-4423 since 01/03/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/29/2023). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1006 for this issue.

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

Similar entry is available at VDB-142762. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Business Process Management Software

Vendor

• IBM

Name

• Sterling File Gateway

Version

• 6.0.0
• 6.0.1.0

License

• commercial

Website

• Vendor: https://www.ibm.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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