Cisco IOS XE Web UI Request access control

Summaryinfo

A vulnerability classified as problematic has been found in Cisco IOS XE. The affected element is an unknown function of the component Web UI. This manipulation as part of Request causes access control. This vulnerability appears as CVE-2019-1742. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Cisco IOS XE (Router Operating System) (version now known). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component Web UI. The manipulation as part of a Request leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality. The summary by CVE is:

A vulnerability in the web UI of Cisco IOS XE Software could allow an unauthenticated, remote attacker to access sensitive configuration information. The vulnerability is due to improper access control to files within the web UI. An attacker could exploit this vulnerability by sending a malicious request to an affected device. A successful exploit could allow the attacker to gain access to sensitive configuration information.

The bug was discovered 03/27/2019. The weakness was presented 03/28/2019 as cisco-sa-20190327-xeid as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2019-1742 since 12/06/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 08/17/2023). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316386 (Cisco IOS XE Software Information Disclosure Vulnerability(cisco-sa-20190327-xeid)).

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

See VDB-132525, VDB-132524 and VDB-132522 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• IOS XE

License

• commercial

Website

• Vendor: https://www.cisco.com/

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