Allen Bradley MicroLogix 1400 up to 21.2 File Permission Crafted Packet access control

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Allen Bradley MicroLogix 1400 up to 21.2. It has been declared as critical. This issue affects some unknown processing of the component File Permission. Such manipulation as part of Crafted Packet leads to access control. This vulnerability is documented as CVE-2017-14468. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Allen Bradley MicroLogix 1400 up to 21.2. It has been rated as critical. Affected by this issue is some unknown processing of the component File Permission. The manipulation as part of a Crafted Packet leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a read or write operation resulting in disclosure of sensitive information, modification of settings, or modification of ladder logic. An attacker can send unauthenticated packets to trigger this vulnerability. Required Keyswitch State: REMOTE or PROG Description: This ability is leveraged in a larger exploit to flash custom firmware.

The bug was discovered 03/28/2018. The weakness was released 04/05/2018 (Website). The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2017-14468 since 09/13/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 8 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.

Entries connected to this vulnerability are available at VDB-115850, VDB-115851, VDB-115852 and VDB-115853. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 10.0
CNA Vector (Talos): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/13/2017 🔍
03/28/2018 +196 days 🔍
04/05/2018 +8 days 🔍
04/05/2018 +0 days 🔍
04/06/2018 +1 days 🔍
02/27/2023 +1788 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2017-14468 (🔍)
GCVE (CVE): GCVE-0-2017-14468
GCVE (VulDB): GCVE-100-115856
See also: 🔍

Entryinfo

Created: 04/06/2018 09:00
Updated: 02/27/2023 08:37
Changes: 04/06/2018 09:00 (59), 01/22/2020 15:22 (1), 02/27/2023 08:37 (14)
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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