VDB-107230 · CVE-2017-12228 · BID 101065

Cisco IOS/IOS XE Network Plug/Play Crafted Certificate input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability has been found in Cisco IOS and IOS XE (Router Operating System) (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code of the component Network Plug/Play. The manipulation as part of a Crafted Certificate 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 Cisco Network Plug and Play application of Cisco IOS 12.4 through 15.6 and Cisco IOS XE 3.3 through 16.4 could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software. Cisco Bug IDs: CSCvc33171.

The bug was discovered 09/27/2017. The weakness was published 09/29/2017 with Cisco (Website). The advisory is available at securitytracker.com. This vulnerability was named CVE-2017-12228 since 08/03/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/14/2021).

The vulnerability scanner Nessus provides a plugin with the ID 103675 (Cisco IOS Software Plug-and-Play PKI API Certificate Validation Vulnerability), 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 316153 (Cisco IOS and IOS XE Software Plug-and-Play PKI API Certificate Validation Vulnerability (cisco-sa-20170927-pnp)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103675).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103675
Nessus Name: Cisco IOS Software Plug-and-Play PKI API Certificate Validation Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/03/2017 🔍
09/27/2017 +55 days 🔍
09/27/2017 +0 days 🔍
09/27/2017 +0 days 🔍
09/28/2017 +1 days 🔍
09/29/2017 +1 days 🔍
09/29/2017 +0 days 🔍
10/06/2017 +7 days 🔍
01/14/2021 +1196 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securitytracker.com⛔
Researcher: Cisco
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12228 (🔍)
OVAL: 🔍

SecurityTracker: 1039450
SecurityFocus: 101065 - Cisco IOS and IOS XE Software CVE-2017-12228 Certificate Validation Security Bypass Vulnerability

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

Entryinfo

Created: 09/29/2017 11:59
Updated: 01/14/2021 16:46
Changes: 09/29/2017 11:59 (69), 11/20/2019 11:29 (7), 01/14/2021 16:43 (2), 01/14/2021 16:46 (1)
Complete: 🔍

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