Cisco Application Policy Infrastructure Controller fuse Filesystem access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Cisco Application Policy Infrastructure Controller. It has been rated as critical. Impacted is an unknown function of the component fuse Filesystem. Performing a manipulation results in access control. This vulnerability is reported as CVE-2019-1682. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Application Policy Infrastructure Controller (version unknown). This affects an unknown function of the component fuse Filesystem. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the FUSE filesystem functionality for Cisco Application Policy Infrastructure Controller (APIC) software could allow an authenticated, local attacker to escalate privileges to root on an affected device. The vulnerability is due to insufficient input validation for certain command strings issued on the CLI of the affected device. An attacker with write permissions for files within a readable folder on the device could alter certain definitions in the affected file. A successful exploit could allow an attacker to cause the underlying FUSE driver to execute said crafted commands, elevating the attacker's privileges to root on an affected device.

The bug was discovered 05/01/2019. The weakness was disclosed 05/03/2019 as cisco-sa-20190501-apic-priv-es as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2019-1682 since 12/06/2018. An attack has to be approached locally. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/12/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-134339 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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

12/06/2018 🔍
05/01/2019 +146 days 🔍
05/03/2019 +2 days 🔍
05/03/2019 +0 days 🔍
09/12/2023 +1593 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190501-apic-priv-es
Status: Confirmed

CVE: CVE-2019-1682 (🔍)
GCVE (CVE): GCVE-0-2019-1682
GCVE (VulDB): GCVE-100-134337
See also: 🔍

Entryinfo

Created: 05/03/2019 22:02
Updated: 09/12/2023 08:22
Changes: 05/03/2019 22:02 (58), 06/06/2020 14:19 (1), 09/12/2023 08:22 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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