IBM WebSphere Application Server 7.0/8.0/8.5/9.0 URL path traversal

Summaryinfo

A vulnerability identified as critical has been detected in IBM WebSphere Application Server 7.0/8.0/8.5/9.0. Impacted is an unknown function of the component URL Handler. Performing a manipulation with the input /../ results in path traversal. This vulnerability is reported as CVE-2019-4268. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in IBM WebSphere Application Server 7.0/8.0/8.5/9.0 (Application Server Software). It has been classified as critical. This affects some unknown functionality of the component URL Handler. The manipulation with the input value /../ leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 160201.

The weakness was disclosed 09/17/2019 (Website). It is possible to read the advisory at exchange.xforce.ibmcloud.com. This vulnerability is uniquely identified as CVE-2019-4268 since 01/03/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/26/2023). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

The entries VDB-141931, VDB-141929 and VDB-141928 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Application Server Software

Vendor

• IBM

Name

• WebSphere Application Server

Version

• 7.0
• 8.0
• 8.5
• 9.0

License

• commercial

Website

• Vendor: https://www.ibm.com/

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