Cisco IOS XE Web-based User Interface Parameter privilege escalation

A vulnerability, which was classified as critical, has been found in Cisco IOS XE (Router Operating System) (unknown version). This issue affects some functionality of the component Web-based User Interface. The manipulation as part of a Parameter leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-269. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the web-based user interface (Web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to execute commands on the underlying Linux shell of an affected device with root privileges. The vulnerability occurs because the affected software improperly sanitizes user-supplied input. An attacker who has valid administrator access to an affected device could exploit this vulnerability by supplying a crafted input parameter on a form in the Web UI and then submitting that form. A successful exploit could allow the attacker to run arbitrary commands on the device with root privileges, which may lead to complete system compromise.

The weakness was shared 05/13/2019 as cisco-sa-20190513-webui as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2019-1862 since 12/06/2018. The attack may be initiated remotely. A single authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 05/14/2019).

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

Vendor

• Cisco

Name

• IOS XE

• ?

• ?

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Privilege escalation (CWE-269)
Local: No
Remote: Yes

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: no mitigation known
0-Day Time: ?12/06/2018 CVE assigned
05/13/2019 +158 days Advisory disclosed
05/14/2019 +1 days VulDB entry created
05/14/2019 +0 days VulDB last updateAdvisory: cisco-sa-20190513-webui
Status: Confirmed

CVE: CVE-2019-1862 (?)
scip Labs: https://www.scip.ch/en/?labs.20150108

Created: 05/14/2019 11:24 AM
Complete: ?

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