variot - var-202210-0882

VAR-202210-0882

Vulnerability from variot - Updated: 2023-12-18 13:55

A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker with an established BGP session to cause a Denial of Service (DoS). In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash. As this crash depends on whether a route is a contributing route, and on the internal timing of the events triggered by the flap this vulnerability is outside the direct control of a potential attacker. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S6; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S4-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO versions prior to 21.2R2-EVO; 21.3-EVO versions prior to 21.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions 19.2 versions prior to 19.2R2, 19.3R1 and above prior to 20.2R1. Juniper Networks Junos OS Evolved versions prior to 20.2R1-EVO

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CVE-2022-22225 (GCVE-0-2022-22225)

Vulnerability from cvelistv5 – Published: 2022-10-18 02:46 – Updated: 2025-05-12 14:42

Summary

Severity ?

5.9 (Medium)


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

CWE

Denial of Service (DoS)
CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

juniper

References

URL

Tags

https://kb.juniper.net/JSA69875

Impacted products

Vendor

Product

Version

Juniper Networks

Junos OS

Unaffected: 19.2 , < 19.2R2 (custom)
Unaffected: 19.3R1 , < 19.3* (custom)
Unaffected: 19.4R1 , < 19.4* (custom)
Unaffected: 20.1R1 , < 20.1* (custom)
Affected: 20.2 , < 20.2R3-S4 (custom)
Affected: 20.3 , < 20.3R3-S3 (custom)
Affected: 20.4 , < 20.4R3-S4 (custom)
Affected: 21.1 , < 21.1R3 (custom)
Affected: 21.2 , < 21.2R2 (custom)
Affected: 21.3 , < 21.3R2 (custom)

Juniper Networks

Junos OS Evolved

Affected: unspecified , < 20.4R3-S4-EVO (custom)
Unaffected: unspecified , < 20.2R1-EVO (custom)
Affected: 21.1R1-EVO , < 21.1-EVO* (custom)
Affected: 21.2-EVO , < 21.2R2-EVO (custom)
Affected: 21.3-EVO , < 21.3R2-EVO (custom)

Show details on NVD website

JSON

To clipboard

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          "value": "A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker with an established BGP session to cause a Denial of Service (DoS). In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash. As this crash depends on whether a route is a contributing route, and on the internal timing of the events triggered by the flap this vulnerability is outside the direct control of a potential attacker. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S6; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S4-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO versions prior to 21.2R2-EVO; 21.3-EVO versions prior to 21.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions 19.2 versions prior to 19.2R2, 19.3R1 and above prior to 20.2R1. Juniper Networks Junos OS Evolved versions prior to 20.2R1-EVO."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial of Service (DoS)",
              "lang": "en",
              "type": "text"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-367",
              "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-18T00:00:00.000Z",
        "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "shortName": "juniper"
      },
      "references": [
        {
          "url": "https://kb.juniper.net/JSA69875"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "The following software releases have been updated to resolve this specific issue: \nJunos OS: 19.2R3-S6, 20.2R3-S4, 20.3R3-S3, 20.4R3-S4, 21.1R2, 21.2R2, 21.3R2, 21.4R1, and all subsequent releases.\nJunos OS Evolved: 20.4R3-S4-EVO, 21.2R2-EVO, 21.3R2-EVO, 21.4R1-EVO, and all subsequent releases."
        }
      ],
      "source": {
        "advisory": "JSA69875",
        "defect": [
          "1611128"
        ],
        "discovery": "INTERNAL"
      },
      "title": "Junos OS and Junos OS Evolved: In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash",
      "workarounds": [
        {
          "lang": "en",
          "value": "There are no viable workarounds for this issue."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
    "assignerShortName": "juniper",
    "cveId": "CVE-2022-22225",
    "datePublished": "2022-10-18T02:46:26.844Z",
    "dateReserved": "2021-12-21T00:00:00.000Z",
    "dateUpdated": "2025-05-12T14:42:31.372Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

VAR-202210-0882

CVE-2022-22225 (GCVE-0-2022-22225)

Tags

Sightings

Nomenclature