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CVE-2024-39538

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CVE-2024-39538

Published: Jul 11, 2024

Modified: Aug 2, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

A Buffer Copy without Checking Size of Input vulnerability in the PFE management daemon (evo-pfemand) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a  Denial-of-Service (DoS).When multicast traffic with a specific, valid (S,G) is received, evo-pfemand crashes which leads to an outage of the affected FPC until it is manually recovered. This issue affects Junos OS Evolved on ACX7000 Series: * All versions before 21.2R3-S8-EVO, * 21.4-EVO versions before 21.4R3-S7-EVO, * 22.2-EVO versions before 22.2R3-S4-EVO, * 22.3-EVO versions before 22.3R3-S3-EVO,  * 22.4-EVO versions before 22.4R3-S2-EVO,  * 23.2-EVO versions before 23.2R2-EVO,  * 23.4-EVO versions before 23.4R1-S2-EVO, 23.4R2-EVO.

VendorProductVersions

Juniper Networks

Junos OS Evolved

affected
0 - < 21.2R3-S8-EVO
affected
21.4-EVO - < 21.4R3-S7-EVO
affected
22.2-EVO - < 22.2R3-S4-EVO
affected
22.3-EVO - < 22.3R3-S3-EVO
affected
22.4-EVO - < 22.4R3-S2-EVO

+2 more versions

Weaknesses (CWE)

CWE-120

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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