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CVE-2024-30386
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MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A Use-After-Free vulnerability in the Layer 2 Address Learning Daemon (l2ald)
of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause l2ald to crash leading to a Denial-of-Service (DoS).
In an EVPN-VXLAN scenario, when
state updates are received and processed by the affected system, the correct order of some processing steps is not ensured, which can lead to an l2ald crash and restart. Whether the crash occurs depends on system internal timing which is outside the attackers control.
This issue affects:
Junos OS:
- All versions before 20.4R3-S8,
- 21.2 versions before 21.2R3-S6,
- 21.3 versions before 21.3R3-S5,
- 21.4 versions before 21.4R3-S4,
- 22.1 versions before 22.1R3-S3,
- 22.2 versions before 22.2R3-S1,
- 22.3 versions before 22.3R3,,
- 22.4 versions before 22.4R2;
Junos OS Evolved:
- All versions before 20.4R3-S8-EVO,
- 21.2-EVO versions before 21.2R3-S6-EVO,
- 21.3-EVO
versions before 21.3R3-S5-EVO,
- 21.4-EVO
versions before 21.4R3-S4-EVO,
- 22.1-EVO
versions before 22.1R3-S3-EVO,
- 22.2-EVO
versions before 22.2R3-S1-EVO,
- 22.3-EVO
versions before 22.3R3-EVO,
- 22.4-EVO
versions before 22.4R2-EVO.
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CVSS V3 Severity and Metrics
General Information
Vendors
Products
- junos,
- junos 20.4,
- junos 21.2,
- junos 21.3,
- junos 21.4,
- junos 22.1,
- junos 22.2,
- junos 22.3,
- junos 22.4,
- junos os evolved,
- junos os evolved 20.4,
- junos os evolved 21.2,
- junos os evolved 21.3,
- junos os evolved 21.4,
- junos os evolved 22.1,
- junos os evolved 22.2,
- junos os evolved 22.3,
- junos os evolved 22.4
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Zero-day Exploit
Report as Exploited in the Wild
CVE ID
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