Cisco Identity Services Engine Administrative Web Interface HTTP Request access control

Summaryinfo

A vulnerability marked as critical has been reported in Cisco Identity Services Engine. This affects an unknown function of the component Administrative Web Interface. The manipulation as part of HTTP Request leads to access control. This vulnerability is uniquely identified as CVE-2018-15459. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cisco Identity Services Engine (Policy Management Software) (the affected version is unknown) and classified as critical. This issue affects an unknown code of the component Administrative Web Interface. The manipulation as part of a HTTP Request leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the administrative web interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to gain additional privileges on an affected device. The vulnerability is due to improper controls on certain pages in the web interface. An attacker could exploit this vulnerability by authenticating to the device with an administrator account and sending a crafted HTTP request. A successful exploit could allow the attacker to create additional Admin accounts with different user roles. An attacker could then use these accounts to perform actions within their scope. The attacker would need valid Admin credentials for the device. This vulnerability cannot be exploited to add a Super Admin account.

The bug was discovered 01/23/2019. The weakness was disclosed 01/23/2019 with Cisco as cisco-sa-20190123-ise-privileg as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2018-15459 since 08/17/2018. The attack may be initiated remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/03/2023). The attack technique deployed by this issue is T1068 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 vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106707†). The entries VDB-130126 and VDB-130124 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Policy Management Software

Vendor

• Cisco

Name

• Identity Services Engine

License

• commercial

Website

• Vendor: https://www.cisco.com/

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Be aware that VulDB is the high quality source for vulnerability data.

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