CVE-2023-28984 — Race Condition in Networks Junos OS

CWE-362 — Race ConditionCWE-416 — Use After Free4 documents4 sources
Severity
5.3MEDIUMNVD
EPSS
0.1%
top 78.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Juniper Networks Junos OSJuniper Junos
Timeline
PublishedApr 17
Latest updateApr 18

Description

A Use After Free vulnerability in the Layer 2 Address Learning Manager (l2alm) of Juniper Networks Junos OS on QFX Series allows an adjacent attacker to cause the Packet Forwarding Engine to crash and restart, leading to a Denial of Service (DoS). The PFE may crash when a lot of MAC learning and aging happens, but due to a Race Condition (Concurrent Execution using Shared Resource with Improper Synchronization) that is outside the attackers direct control. This issue affects: Juniper Networks Ju…

CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 1.6 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5juniper_networks/junos_osunspecified — 19.4R3-S10+9
▶NVDjuniper/junos11 versions+10

🔴Vulnerability Details

2
GHSA
GHSA-vx3w-5gr7-767w: A Use After Free vulnerability in the Layer 2 Address Learning Manager (l2alm) of Juniper Networks Junos OS on QFX Series allows an adjacent attacker↗2023-04-18
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CVEList
Junos OS: QFX Series: The PFE may crash when a lot of MAC addresses are being learned and aged↗2023-04-17
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📋Vendor Advisories

1
Juniper
CVE-2023-28984: A Use After Free vulnerability in the Layer 2 Address Learning Manager (l2alm) of Juniper Networks Junos OS on QFX Series allows an adjacent attacker↗2023-04-17
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CVE-2023-28984 — Race Condition in Networks Junos OS | cvebase