CVE-2023-44183 (GCVE-0-2023-44183)

Vulnerability from cvelistv5 – Published: 2023-10-12 23:02 – Updated: 2024-09-18 14:41
VLAI?
Title
Junos OS: QFX5000 Series, EX4600 Series: In a VxLAN scenario an adjacent attacker within the VxLAN sending genuine packets may cause a DMA memory leak to occur.
Summary
An Improper Input Validation vulnerability in the VxLAN packet forwarding engine (PFE) of Juniper Networks Junos OS on QFX5000 Series, EX4600 Series devices allows an unauthenticated, adjacent attacker, sending two or more genuine packets in the same VxLAN topology to possibly cause a DMA memory leak to occur under various specific operational conditions. The scenario described here is the worst-case scenario. There are other scenarios that require operator action to occur. An indicator of compromise may be seen when multiple devices indicate that FPC0 has gone missing when issuing a show chassis fpc command for about 10 to 20 minutes, and a number of interfaces have also gone missing. Use the following command to determine if FPC0 has gone missing from the device. show chassis fpc detail This issue affects: Juniper Networks Junos OS on QFX5000 Series, EX4600 Series: * 18.4 version 18.4R2 and later versions prior to 20.4R3-S8; * 21.1 version 21.1R1 and later versions prior to 21.2R3-S6; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S1; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 18.4R2 , < 18.4* (semver)
Affected: 20.4 , < 20.4R3-S8 (semver)
Affected: 21.1R1 , < 21.1* (semver)
Affected: 21.2 , < 21.2R3-S6 (semver)
Affected: 21.3 , < 21.3R3-S5 (semver)
Affected: 21.4 , < 21.4R3-S4 (semver)
Affected: 22.1 , < 22.1R3-S3 (semver)
Affected: 22.2 , < 22.2R3-S1 (semver)
Affected: 22.3 , < 22.3R2-S2, 22.3R3 (semver)
Affected: 22.4 , < 22.4R2 (semver)
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The scenario described here is the worst-case scenario. There are other scenarios that require operator action to occur.\u003c/p\u003e\u003cp\u003eAn indicator of compromise may be seen when multiple devices indicate that FPC0 has gone missing when issuing a show chassis fpc command for about 10 to 20 minutes, and a number of interfaces have also gone missing.\u003c/p\u003e\u003cp\u003eUse the following command to determine if FPC0 has gone missing from the device.\u003c/p\u003e\u003ccode\u003eshow chassis fpc detail\u003c/code\u003e\u003cbr\u003e\u003cp\u003eThis issue affects:\u003c/p\u003e\u003cp\u003eJuniper Networks Junos OS on QFX5000 Series, EX4600 Series:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003e18.4 version 18.4R2 and later versions prior to 20.4R3-S8;\u003c/li\u003e\u003cli\u003e21.1 version 21.1R1 and later versions prior to 21.2R3-S6;\u003c/li\u003e\u003cli\u003e21.3 versions prior to 21.3R3-S5;\u003c/li\u003e\u003cli\u003e21.4 versions prior to 21.4R3-S4;\u003c/li\u003e\u003cli\u003e22.1 versions prior to 22.1R3-S3;\u003c/li\u003e\u003cli\u003e22.2 versions prior to 22.2R3-S1;\u003c/li\u003e\u003cli\u003e22.3 versions prior to 22.3R2-S2, 22.3R3;\u003c/li\u003e\u003cli\u003e22.4 versions prior to 22.4R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\\n\\n\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-20\", \"description\": \"CWE-20 Improper Input Validation\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"To be potentially exposed to this issue the device must be configured in a VxLAN scenario. Refer to product documentation for how to configure VxLAN as there are different configuration options.\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eTo be potentially exposed to this issue the device must be configured in a VxLAN scenario. Refer to product documentation for how to configure VxLAN as there are different configuration options.\u003c/p\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2023-10-12T23:02:20.206Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-44183\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-18T14:41:31.480Z\", \"dateReserved\": \"2023-09-26T19:30:17.664Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2023-10-12T23:02:20.206Z\", \"assignerShortName\": \"juniper\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • 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.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.