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zdiSalim S.I, Richard Y Lin, Atlas Huang (CTOne/TrendMicro)ZDI-24-362
HistoryApr 09, 2024 - 12:00 a.m.

Microsoft Azure Private 5G Core InitialUEMessage Improper Input Validation Denial-of-Service Vulnerability

2024-04-0900:00:00
Salim S.I, Richard Y Lin, Atlas Huang (CTOne/TrendMicro)
www.zerodayinitiative.com
19
denial-of-service
remote attack
microsoft azure
improper input validation
5g network

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

28.8%

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Microsoft Azure Private 5G Core. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of InitialUEMessage messages. The issue results from improper length validation. An attacker can leverage this vulnerability to create a denial-of-service condition on the 5G network.

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

28.8%