Phoenix Contact FL SWITCH 1.0 HTTP Requests improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Phoenix Contact FL SWITCH 1.0 and classified as critical. This vulnerability affects unknown code. Performing a manipulation as part of HTTP Requests results in improper authorization. This vulnerability is reported as CVE-2017-16743. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Phoenix Contact FL SWITCH 1.0. This affects an unknown part. The manipulation as part of a HTTP Requests leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An Improper Authorization issue was discovered in PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, and 48xxx Series products running firmware Version 1.0 to 1.32. A remote unauthenticated attacker may be able to craft special HTTP requests allowing an attacker to bypass web-service authentication allowing the attacker to obtain administrative privileges on the device.

The bug was discovered 01/11/2018. The weakness was disclosed 01/12/2018 (Website). It is possible to read the advisory at ics-cert.us-cert.gov. This vulnerability is uniquely identified as CVE-2017-16743 since 11/09/2017. 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 attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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 entry VDB-111806 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / 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

11/09/2017 🔍
01/11/2018 +63 days 🔍
01/12/2018 +1 days 🔍
01/12/2018 +0 days 🔍
01/13/2018 +1 days 🔍
12/22/2019 +708 days 🔍

Sourcesinfo

Advisory: ics-cert.us-cert.gov
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16743 (🔍)
GCVE (CVE): GCVE-0-2017-16743
GCVE (VulDB): GCVE-100-111807
See also: 🔍

Entryinfo

Created: 01/13/2018 11:50
Updated: 12/22/2019 17:35
Changes: 01/13/2018 11:50 (58), 12/22/2019 17:35 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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