CVE-2023-44189 (GCVE-0-2023-44189)

Vulnerability from cvelistv5 – Published: 2023-10-11 21:00 – Updated: 2024-09-18 14:34
VLAI?
Title
Junos OS Evolved: PTX10003 Series: MAC address validation bypass vulnerability
Summary
An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10003 Series allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded to the downstream network. Due to this issue, the router will start forwarding traffic if a valid route is present in forwarding-table, causing a loop and congestion in the downstream layer-2 domain connected to the device. This issue affects Juniper Networks Junos OS Evolved on PTX10003 Series: * All versions prior to 21.4R3-S4-EVO; * 22.1 versions prior to 22.1R3-S3-EVO; * 22.2 version 22.2R1-EVO and later versions; * 22.3 versions prior to 22.3R2-S2-EVO, 22.3R3-S1-EVO; * 22.4 versions prior to 22.4R2-S1-EVO, 22.4R3-EVO; * 23.2 versions prior to 23.2R2-EVO.
Severity ?
6.1 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
CWE
  • CWE-346 - Origin Validation Error
  • Denial of Service (DoS)
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Evolved Affected: 0 , < 21.4R3-S4-EVO (semver)
Affected: 22.1 , < 22.1R3-S3-EVO (semver)
Affected: 22.2R1-EVO , < 22.2*-EVO (semver)
Affected: 22.3 , < 22.3R2-S2-EVO, 22.3R3-S1-EVO (semver)
Affected: 22.4 , < 22.4R2-S1-EVO, 22.4R3-EVO (semver)
Affected: 23.2 , < 23.2R2-EVO (semver)
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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