VDB-130248 · CVE-2019-1656 · BID 106715

Cisco Enterprise NFV Infrastructure Software CLI input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Enterprise NFV Infrastructure Software. It has been declared as critical. This affects an unknown function of the component CLI. The manipulation results in input validation. This vulnerability was named CVE-2019-1656. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Cisco Enterprise NFV Infrastructure Software (version now known). Affected is some unknown processing of the component CLI. 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 confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the CLI of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to access the shell of the underlying Linux operating system on the affected device. The vulnerability is due to improper input validation in the affected software. An attacker could exploit this vulnerability by sending crafted commands to the affected device. An exploit could allow the attacker to gain shell access with a nonroot user account to the underlying Linux operating system on the affected device and potentially access system configuration files with sensitive information. This vulnerability only affects console connections from CIMC. It does not apply to remote connections, such as telnet or SSH.

The bug was discovered 01/23/2018. The weakness was presented 01/24/2019 with Cisco as cisco-sa-20190123-nfvis-shell- as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2019-1656 since 12/06/2018. The attack needs to be approached locally. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/03/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 366 days. During that time the estimated underground price was around $0-$5k.

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 106715†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/23/2018 🔍
12/06/2018 +317 days 🔍
01/23/2019 +48 days 🔍
01/24/2019 +1 days 🔍
01/24/2019 +0 days 🔍
01/25/2019 +1 days 🔍
07/03/2023 +1620 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190123-nfvis-shell-
Organization: Cisco
Status: Confirmed

CVE: CVE-2019-1656 (🔍)
GCVE (CVE): GCVE-0-2019-1656
GCVE (VulDB): GCVE-100-130248
SecurityFocus: 106715 - Cisco Enterprise NFV Infrastructure Software CVE-2019-1656 Local Security Bypass Vulnerability

Entryinfo

Created: 01/25/2019 10:42
Updated: 07/03/2023 14:03
Changes: 01/25/2019 10:42 (60), 05/06/2020 09:41 (4), 07/03/2023 14:03 (12)
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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