GHSA-RJ2R-9Q5P-4C4W

Vulnerability from github – Published: 2024-01-12 03:30 – Updated: 2024-01-12 03:30
VLAI?
Details

A Heap-based Buffer Overflow vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).

If an attacker sends a specific BGP UPDATE message to the device, this will cause a memory overwrite and therefore an RPD crash and restart in the backup Routing Engine (RE). Continued receipt of these packets will cause a sustained Denial of Service (DoS) condition in the backup RE.

The primary RE is not impacted by this issue and there is no impact on traffic.

This issue only affects devices with NSR enabled.

This issue requires an attacker to have an established BGP session to a system affected by the issue. This issue affects both eBGP and iBGP implementations.

This issue affects:

Juniper Networks Junos OS

  • All versions earlier than 20.4R3-S9;
  • 21.2 versions earlier than 21.2R3-S7;
  • 21.3 versions earlier than 21.3R3-S5;
  • 21.4 versions earlier than 21.4R3-S5;
  • 22.1 versions earlier than 22.1R3-S4;
  • 22.2 versions earlier than 22.2R3-S2;
  • 22.3 versions earlier than 22.3R3-S1;
  • 22.4 versions earlier than 22.4R2-S2, 22.4R3;
  • 23.1 versions earlier than 23.1R2;
  • 23.2 versions earlier than 23.2R1-S2, 23.2R2.

Juniper Networks Junos OS Evolved

  • All versions earlier than 21.3R3-S5-EVO;
  • 21.4-EVO versions earlier than 21.4R3-S5-EVO;
  • 22.1-EVO versions earlier than 22.1R3-S4-EVO;
  • 22.2-EVO versions earlier than 22.2R3-S2-EVO;
  • 22.3-EVO versions later than 22.3R1-EVO;
  • 22.4-EVO versions earlier than 22.4R2-S2-EVO, 22.4R3-EVO;
  • 23.1-EVO versions earlier than 23.1R2-EVO;
  • 23.2-EVO versions earlier than 23.2R1-S2-EVO, 23.2R2-EVO.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2024-21596"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-01-12T01:15:47Z",
    "severity": "MODERATE"
  },
  "details": "\nA Heap-based Buffer Overflow vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).\n\nIf an attacker sends a specific BGP UPDATE message to the device, this will cause a memory overwrite and therefore an RPD crash and restart in the backup Routing Engine (RE). Continued receipt of these packets will cause a sustained Denial of Service (DoS) condition in the backup RE.\n\nThe primary RE is not impacted by this issue and there is no impact on traffic.\n\nThis issue only affects devices with NSR enabled.\n\nThis issue requires an attacker to have an established BGP session to a system affected by the issue. This issue affects both eBGP and iBGP implementations.\n\nThis issue affects:\n\nJuniper Networks Junos OS\n\n\n\n  *  All versions earlier than 20.4R3-S9;\n  *  21.2 versions earlier than 21.2R3-S7;\n  *  21.3 versions earlier than 21.3R3-S5;\n  *  21.4 versions earlier than 21.4R3-S5;\n  *  22.1 versions earlier than 22.1R3-S4;\n  *  22.2 versions earlier than 22.2R3-S2;\n  *  22.3 versions earlier than 22.3R3-S1;\n  *  22.4 versions earlier than 22.4R2-S2, 22.4R3;\n  *  23.1 versions earlier than 23.1R2;\n  *  23.2 versions earlier than 23.2R1-S2, 23.2R2.\n\n\n\n\nJuniper Networks Junos OS Evolved\n\n\n\n  *  All versions earlier than 21.3R3-S5-EVO;\n  *  21.4-EVO versions earlier than 21.4R3-S5-EVO;\n  *  22.1-EVO versions earlier than 22.1R3-S4-EVO;\n  *  22.2-EVO versions earlier than 22.2R3-S2-EVO;\n  *  22.3-EVO versions later than 22.3R1-EVO;\n  *  22.4-EVO versions earlier than 22.4R2-S2-EVO, 22.4R3-EVO;\n  *  23.1-EVO versions earlier than 23.1R2-EVO;\n  *  23.2-EVO versions earlier than 23.2R1-S2-EVO, 23.2R2-EVO.\n\n\n\n\n\n\n",
  "id": "GHSA-rj2r-9q5p-4c4w",
  "modified": "2024-01-12T03:30:48Z",
  "published": "2024-01-12T03:30:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-21596"
    },
    {
      "type": "WEB",
      "url": "https://supportportal.juniper.net/JSA75735"
    },
    {
      "type": "WEB",
      "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}


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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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