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JuniperCVELIST:CVE-2024-21613

HistoryJan 12, 2024 - 12:55 a.m.

CVE-2024-21613 Junos OS and Junos OS Evolved: A link flap causes patroot memory leak which leads to rpd crash

2024-01-1200:55:51

CWE-401

juniper

www.cve.org

juniper networks

junos os

junos os evolved

link flap

patroot memory leak

rpd crash

denial of service

ospf

isis

memory leak

cve-2024-21613

CVSS3

6.5

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

Percentile

12.7%

JSON

A Missing Release of Memory after Effective Lifetime vulnerability in Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause an rpd crash, leading to Denial of Service (DoS).

On all Junos OS and Junos OS Evolved platforms, when traffic engineering is enabled for OSPF or ISIS, and a link flaps, a patroot memory leak is observed. This memory leak, over time, will lead to an rpd crash and restart.

The memory usage can be monitored using the below command.

user@host> show task memory detail | match patroot
This issue affects:

Juniper Networks Junos OS

All versions earlier than 21.2R3-S3;
21.3 versions earlier than 21.3R3-S5;
21.4 versions earlier than 21.4R3-S3;
22.1 versions earlier than 22.1R3;
22.2 versions earlier than 22.2R3.

Juniper Networks Junos OS Evolved

All versions earlier than 21.3R3-S5-EVO;
21.4 versions earlier than 21.4R3-EVO;
22.1 versions earlier than 22.1R3-EVO;
22.2 versions earlier than 22.2R3-EVO.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "21.2R3-S3",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "21.3R3-S5",
        "status": "affected",
        "version": "21.3",
        "versionType": "semver"
      },
      {
        "lessThan": "21.4R3-S3",
        "status": "affected",
        "version": "21.4",
        "versionType": "semver"
      },
      {
        "lessThan": "22.1R3",
        "status": "affected",
        "version": "22.1",
        "versionType": "semver"
      },
      {
        "lessThan": "22.2R3",
        "status": "affected",
        "version": "22.2",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Junos OS Evolved",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "21.3R3-S5-EVO",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "21.4R3-EVO",
        "status": "affected",
        "version": "21.4",
        "versionType": "semver"
      },
      {
        "lessThan": "22.1R3-EVO",
        "status": "affected",
        "version": "22.1",
        "versionType": "semver"
      },
      {
        "lessThan": "22.2R3-EVO",
        "status": "affected",
        "version": "22.2",
        "versionType": "semver"
      }
    ]
  }
]

References

supportportal.juniper.net/JSA75754

www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS3

6.5

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

Percentile

12.7%

JSON

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