CVE-2023-5347: Unauthenticated Firmware Upgrade

Published Jan 9, 2024
·
Updated

An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables. This issue affects JetNet devices older than firmware version 2024/01.

Affected Software

88 affected components
All of the following
Korenix Jetnet 5310g Firmware=2.6
Korenix Jetnet 5310g
All of the following
Korenix Jetnet 4508 Firmware=2.3
Korenix Jetnet 4508
All of the following
Korenix Jetnet 4508i-w Firmware=1.3
Korenix Jetnet 4508i-w
All of the following
Korenix Jetnet 4508-w Firmware=2.3
Korenix Jetnet 4508-w
All of the following
Korenix Jetnet 4508if-s Firmware=1.3
Korenix Jetnet 4508if-s
All of the following
Korenix Jetnet 4508if-m Firmware=1.3
Korenix Jetnet 4508if-m
All of the following
Korenix Jetnet 4508if-sw Firmware=1.3
Korenix Jetnet 4508if-sw
All of the following
Korenix Jetnet 4508if-mw Firmware=1.3
Korenix Jetnet 4508if-mw
All of the following
Korenix Jetnet 4508f-m Firmware=2.3
Korenix Jetnet 4508f-m
All of the following
Korenix Jetnet 4508f-s Firmware=2.3
Korenix Jetnet 4508f-s
All of the following
Korenix Jetnet 4508f-mw Firmware=2.3
Korenix Jetnet 4508f-mw
All of the following
Korenix Jetnet 4508f-sw Firmware=2.3
Korenix Jetnet 4508f-sw
All of the following
Korenix Jetnet 5620g-4c Firmware=1.1
Korenix Jetnet 5620g-4c
All of the following
Korenix Jetnet 5612gp-4f Firmware=1.2
Korenix Jetnet 5612gp-4f
All of the following
Korenix Jetnet 5612g-4f Firmware=1.2
Korenix Jetnet 5612g-4f
All of the following
Korenix Jetnet 5728g-24p-ac-2dc-us Firmware=2.1
Korenix Jetnet 5728g-24p-ac-2dc-us
All of the following
Korenix Jetnet 5728g-24p-ac-2dc-eu Firmware=2.1
Korenix Jetnet 5728g-24p-ac-2dc-eu
All of the following
Korenix Jetnet 6528gf-2ac-eu Firmware=1.0
Korenix Jetnet 6528gf-2ac-eu
All of the following
Korenix Jetnet 6528gf-2ac-us Firmware=1.0
Korenix Jetnet 6528gf-2ac-us
All of the following
Korenix Jetnet 6528gf-2dc24 Firmware=1.0
Korenix Jetnet 6528gf-2dc24
All of the following
Korenix Jetnet 6528gf-2dc48 Firmware=1.0
Korenix Jetnet 6528gf-2dc48
All of the following
Korenix Jetnet 6528gf-ac-eu Firmware=1.0
Korenix Jetnet 6528gf-ac-eu
All of the following
Korenix Jetnet 6528gf-ac-us Firmware=1.0
Korenix Jetnet 6528gf-ac-us
All of the following
Korenix Jetnet 6628xp-4f-us Firmware=1.1
Korenix Jetnet 6628xp-4f-us
All of the following
Korenix Jetnet 6628x-4f-eu Firmware=1.0
Korenix Jetnet 6628x-4f-eu
All of the following
Korenix Jetnet 6728g-24p-ac-2dc-us Firmware=1.1
Korenix Jetnet 6728g-24p-ac-2dc-us
All of the following
Korenix Jetnet 6728g-24p-ac-2dc-eu Firmware=1.1
Korenix Jetnet 6728g-24p-ac-2dc-eu
All of the following
Korenix Jetnet 6828gf-2dc48 Firmware=1.0
Korenix Jetnet 6828gf-2dc48
All of the following
Korenix Jetnet 6828gf-2dc24 Firmware=1.0
Korenix Jetnet 6828gf-2dc24
All of the following
Korenix Jetnet 6828gf-ac-dc24-us Firmware=1.0
Korenix Jetnet 6828gf-ac-dc24-us
All of the following
Korenix Jetnet 6828gf-2ac-us Firmware=1.0
Korenix Jetnet 6828gf-2ac-us
All of the following
Korenix Jetnet 6828gf-ac-us Firmware=1.0
Korenix Jetnet 6828gf-ac-us
All of the following
Korenix Jetnet 6828gf-2ac-au Firmware=1.0
Korenix Jetnet 6828gf-2ac-au
All of the following
Korenix Jetnet 6828gf-ac-dc24-eu Firmware=1.0
Korenix Jetnet 6828gf-ac-dc24-eu
All of the following
Korenix Jetnet 6828gf-2ac-eu Firmware=1.0
Korenix Jetnet 6828gf-2ac-eu
All of the following
Korenix Jetnet 6910g-m12 Hvdc Firmware=1.0
Korenix Jetnet 6910g-m12 Hvdc
All of the following
Korenix Jetnet 7310g-v2 Firmware=1.0
Korenix Jetnet 7310g-v2
All of the following
Korenix Jetnet 7628xp-4f-us Firmware=1.0
Korenix Jetnet 7628xp-4f-us
All of the following
Korenix Jetnet 7628xp-4f-us Firmware=1.1
Korenix Jetnet 7628xp-4f-us
All of the following
Korenix Jetnet 7628xp-4f-eu Firmware=1.0
Korenix Jetnet 7628xp-4f-eu
All of the following
Korenix Jetnet 7628xp-4f-eu Firmware=1.1
Korenix Jetnet 7628xp-4f-eu
All of the following
Korenix Jetnet 7628x-4f-us Firmware=1.0
Korenix Jetnet 7628x-4f-us
All of the following
Korenix Jetnet 7628x-4f-eu Firmware=1.0
Korenix Jetnet 7628x-4f-eu
All of the following
Korenix Jetnet 7714g-m12 Hvdc Firmware=1.0
Korenix Jetnet 7714g-m12 Hvdc

Event History

Jan 9, 2024
CVE Published
via MITRE·09:54 AM
Data Sourced
via MITRE·09:54 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2023-5347?

The severity of CVE-2023-5347 is classified as high, due to its potential to allow unauthorized operating system replacement.

2

How do I fix CVE-2023-5347?

To fix CVE-2023-5347, update your Korenix JetNet device to the firmware version 2024/01 or later.

3

Which devices are affected by CVE-2023-5347?

CVE-2023-5347 affects Korenix JetNet devices running firmware versions older than 2024/01.

4

What type of vulnerability is CVE-2023-5347?

CVE-2023-5347 is an improper verification of cryptographic signature vulnerability.

5

How does CVE-2023-5347 impact security?

CVE-2023-5347 can compromise the integrity of the operating system by allowing malicious actors to replace trusted executables.

Company

Resources

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