Cisco IOS XE Web-based User Interface HTTP Requests input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.6 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical was found in Cisco IOS XE. Affected by this vulnerability is an unknown functionality of the component Web-based User Interface. Executing a manipulation as part of HTTP Requests can lead to input validation. This vulnerability is tracked as CVE-2018-0196. The attack can be launched remotely. No exploit exists.
Details
A vulnerability classified as critical was found in Cisco IOS XE (Router Operating System) (version unknown). This vulnerability affects an unknown function of the component Web-based User Interface. The manipulation as part of a HTTP Requests 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-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to write arbitrary files to the operating system of an affected device. The vulnerability is due to insufficient input validation of HTTP requests that are sent to the web UI of the affected software. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web UI of the affected software. A successful exploit could allow the attacker to write arbitrary files to the operating system of an affected device. Cisco Bug IDs: CSCvb22645.
The bug was discovered 03/28/2018. The weakness was disclosed 03/28/2018 with Cisco as cisco-sa-20180328-wfw as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2018-0196 since 11/27/2017. The attack can be initiated remotely. The successful exploitation requires a single authentication. 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 01/18/2020).
The commercial vulnerability scanner Qualys is able to test this issue with plugin 316223 (Cisco IOS XE Software Arbitrary File Write Vulnerability(cisco-sa-20180328-wfw)).
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 103570†). The entries VDB-115191, VDB-115189 and VDB-115190 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.6
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.9
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: 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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Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/27/2017 🔍03/28/2018 🔍
03/28/2018 🔍
03/28/2018 🔍
03/28/2018 🔍
03/29/2018 🔍
01/18/2020 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20180328-wfw
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-0196 (🔍)
GCVE (CVE): GCVE-0-2018-0196
GCVE (VulDB): GCVE-100-115192
SecurityFocus: 103570 - Cisco IOS XE Software CVE-2018-0196 Arbitrary File Write Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍
Entry
Created: 03/29/2018 09:14Updated: 01/18/2020 06:53
Changes: 03/29/2018 09:14 (64), 01/18/2020 06:53 (5)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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