Cisco HyperFlex Software Web UI HTTP Requests input validation

Summaryinfo

A vulnerability has been found in Cisco HyperFlex Software and classified as problematic. This impacts an unknown function of the component Web UI. The manipulation as part of HTTP Requests leads to input validation. This vulnerability is referenced as CVE-2018-15423. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco HyperFlex Software (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Web UI. The manipulation as part of a HTTP Requests leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the web UI of Cisco HyperFlex Software could allow an unauthenticated, remote attacker to affect the integrity of a device via a clickjacking attack. The vulnerability is due to insufficient input validation of iFrame data in HTTP requests that are sent to an affected device. An attacker could exploit this vulnerability by sending crafted HTTP packets with malicious iFrame data. A successful exploit could allow the attacker to perform a clickjacking attack where the user is tricked into clicking a malicious link.

The bug was discovered 10/03/2018. The weakness was published 10/05/2018 as cisco-sa-20181003-hyperflex-cl as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2018-15423 since 08/17/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

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.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• HyperFlex Software

License

• commercial

Website

• Vendor: https://www.cisco.com/

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