Cisco IOS XE CTS PAC input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE. It has been classified as problematic. This affects an unknown part of the component CTS PAC. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2019-12663. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco IOS XE (Router Operating System) (unknown version). It has been classified as problematic. This affects an unknown code block of the component CTS PAC. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

A vulnerability in the Cisco TrustSec (CTS) Protected Access Credential (PAC) provisioning module of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of attributes in RADIUS messages. An attacker could exploit this vulnerability by sending a malicious RADIUS message to an affected device while the device is in a specific state.

The weakness was disclosed 09/25/2019 as cisco-sa-20190925-ctspac-dos as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2019-12663 since 06/04/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/28/2023).

Upgrading eliminates this vulnerability.

The entries VDB-142291, VDB-142290, VDB-142288 and VDB-142285 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/04/2019 🔍
09/25/2019 +113 days 🔍
09/26/2019 +1 days 🔍
12/28/2023 +1554 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190925-ctspac-dos
Status: Confirmed

CVE: CVE-2019-12663 (🔍)
GCVE (CVE): GCVE-0-2019-12663
GCVE (VulDB): GCVE-100-142287
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 09/26/2019 12:41
Updated: 12/28/2023 09:16
Changes: 09/26/2019 12:41 (40), 09/08/2020 22:34 (18), 12/28/2023 09:16 (13)
Complete: 🔍
Cache ID: 216::103

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