Cisco IOS XE 16.2.1 Web Framework input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.7$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco IOS XE 16.2.1. The impacted element is an unknown function of the component Web Framework. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2017-3858. It is possible to launch the attack remotely. No exploit is available. Disabling the affected component is advisable.

Detailsinfo

A vulnerability classified as critical was found in Cisco IOS XE 16.2.1 (Router Operating System). This vulnerability affects some unknown functionality of the component Web Framework. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the web framework of Cisco IOS XE Software could allow an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation of HTTP parameters supplied by the user. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the affected web page parameter. The user must be authenticated to access the affected parameter. A successful exploit could allow the attacker to execute commands with root privileges. This vulnerability affects Cisco devices running Cisco IOS XE Software Release 16.2.1, if the HTTP Server feature is enabled for the device. The newly redesigned, web-based administration interface was introduced in the Denali 16.2 Release of Cisco IOS XE Software. The web-based administration interface in earlier releases of Cisco IOS XE Software is not affected by this vulnerability. Cisco Bug IDs: CSCuy83069.

The bug was discovered 03/22/2017. The weakness was published 03/22/2017 with Cisco as cisco-sa-20170322-xeci as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2017-3858 since 12/21/2016. The attack can be initiated remotely. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/28/2024).

The vulnerability scanner Nessus provides a plugin with the ID 99032 (Cisco IOS XE HTTP Parameters Command Injection (cisco-sa-20170322-xeci)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316099 (Cisco IOS XE Software HTTP Command Injection Vulnerability (cisco-sa-20170322-xeci)).

The best possible mitigation is suggested to be disabling the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99032) and SecurityFocus (BID 97009†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99032
Nessus Name: Cisco IOS XE HTTP Parameters Command Injection (cisco-sa-20170322-xeci)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco IOS XE Software HTTP Command Injection Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Disable
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

12/21/2016 🔍
03/22/2017 +91 days 🔍
03/22/2017 +0 days 🔍
03/22/2017 +0 days 🔍
03/22/2017 +0 days 🔍
03/22/2017 +0 days 🔍
03/23/2017 +1 days 🔍
03/29/2017 +6 days 🔍
08/28/2024 +2709 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170322-xeci
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3858 (🔍)
GCVE (CVE): GCVE-0-2017-3858
GCVE (VulDB): GCVE-100-98380

OVAL: 🔍

SecurityFocus: 97009 - Cisco IOS XE Software CVE-2017-3858 Command Injection Vulnerability
OSVDB: - CVE-2017-3858 - Cisco - IOS XE - Command Execution Issue
SecurityTracker: 1038102

scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 03/23/2017 07:54
Updated: 08/28/2024 06:47
Changes: 03/23/2017 07:54 (74), 09/10/2020 22:06 (7), 11/14/2022 12:10 (3), 08/28/2024 06:47 (16)
Complete: 🔍
Cache ID: 216::103

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