CVE-2024-39560 (GCVE-0-2024-39560)
Vulnerability from cvelistv5
Published
2024-07-10 22:44
Modified
2024-10-01 19:16
Severity ?
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 (High) - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A
7.1 (High) - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A
VLAI Severity ?
EPSS score ?
CWE
- CWE-755 - Improper Handling of Exceptional Conditions
Summary
An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a logically adjacent downstream RSVP neighbor to cause kernel memory exhaustion, leading to a kernel crash, resulting in a Denial of Service (DoS).
The kernel memory leak and eventual crash will be seen when the downstream RSVP neighbor has a persistent error which will not be corrected.
System kernel memory can be monitored through the use of the 'show system kernel memory' command as shown below:
user@router> show system kernel memory
Real memory total/reserved: 4130268/ 133344 Kbytes
kmem map free: 18014398509110220 Kbytes
This issue affects:
Junos OS:
* All versions before 20.4R3-S9,
* All versions of 21.2,
* from 21.4 before 21.4R3-S5,
* from 22.1 before 22.1R3-S5,
* from 22.2 before 22.2R3-S3,
* from 22.3 before 22.3R3-S2,
* from 22.4 before 22.4R3,
* from 23.2 before 23.2R2;
Junos OS Evolved:
* All versions before 21.4R3-S5-EVO,
* from 22.1-EVO before 22.1R3-S5-EVO,
* from 22.2-EVO before 22.2R3-S3-EVO,
* from 22.3-EVO before 22.3R3-S2-EVO,
* from 22.4-EVO before 22.4R3-EVO,
* from 23.2-EVO before 23.2R2-EVO.
References
| ► | URL | Tags | |||
|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ► | Juniper Networks | Junos OS |
Version: 0 ≤ Version: 21.2R1 ≤ Version: 21.4 ≤ Version: 22.1 ≤ Version: 22.2 ≤ Version: 22.3 ≤ Version: 22.4 ≤ Version: 23.2 ≤ |
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|
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\u003cbr\u003e\u003cbr\u003eJunos OS: 20.4R3-S10, 20.4R3-S9, 21.4R3-S5, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases.\u003cbr\u003e\\nJunos OS Evolved:\u0026nbsp;\u0026nbsp;21.4R3-S5-EVO, 22.1R3-S5-EVO, 22.2R3-S3-EVO, 22.3R3-S2-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases.\", \"base64\": false}]}], \"datePublic\": \"2024-07-10T16:00:00.000Z\", \"references\": [{\"url\": \"https://supportportal.juniper.net/JSA83020\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"There are no known workarounds for this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"There are no known workarounds for this issue.\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a logically adjacent downstream RSVP neighbor to cause kernel memory exhaustion, leading to a kernel crash, resulting in a Denial of Service (DoS).\\n\\nThe kernel memory leak and eventual crash will be seen when the downstream RSVP neighbor has a persistent error which will not be corrected.\\n\\nSystem kernel memory can be monitored through the use of the \u0027show system statistics kernel memory\u0027 command as shown below:\\n\\nuser@router\u003e show system statistics kernel memory\\nMemory \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 Size (kB) Percentage When\\n\\u00a0 Active \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 753092 \\u00a0 \\u00a0 18.4% Now\\n\\u00a0 Inactive \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 574300 \\u00a0 \\u00a0 14.0% Now\\n\\u00a0 Wired\\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 443236 \\u00a0 \\u00a0 10.8% Now\\n\\u00a0 Cached\\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 1911204 \\u00a0 \\u00a0 46.6% Now\\n\\u00a0 Buf \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 32768\\u00a0 \\u00a0 \\u00a0 0.8% Now\\n\\u00a0 Free \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 385072\\u00a0 \\u00a0 \\u00a0 9.4% Now\\nKernel Memory\\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0Now\\n\\u00a0 Data \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 312908\\u00a0 \\u00a0 \\u00a0 7.6% Now\\n\\u00a0 Text \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 \\u00a0 2560\\u00a0 \\u00a0 \\u00a0 0.1% Now\\n...\\n\\nThis issue affects:\\nJunos OS:\\n\\n\\n * All versions before 20.4R3-S9,\\n * All versions of 21.2,\\n * from 21.4 before 21.4R3-S5,\\n * from 22.1 before 22.1R3-S5,\\n * from 22.2 before 22.2R3-S3,\\n * from 22.3 before 22.3R3-S2,\\n * from 22.4 before 22.4R3,\\n * from 23.2 before 23.2R2;\\n\\n\\nJunos OS Evolved:\\n\\n\\n * All versions before 21.4R3-S5-EVO,\\n * from 22.1-EVO before 22.1R3-S5-EVO, \\n * from 22.2-EVO before 22.2R3-S3-EVO, \\n * from 22.3-EVO before 22.3R3-S2-EVO, \\n * from 22.4-EVO before 22.4R3-EVO, \\n * from 23.2-EVO before 23.2R2-EVO.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a logically adjacent downstream RSVP neighbor to cause kernel memory exhaustion, leading to a kernel crash, resulting in a Denial of Service (DoS).\u003cbr\u003e\u003cbr\u003eThe kernel memory leak and eventual crash will be seen when the downstream RSVP neighbor has a persistent error which will not be corrected.\u003cbr\u003e\u003cbr\u003eSystem kernel memory can be monitored through the use of the \u0027show system statistics kernel memory\u0027 command as shown below:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003euser@router\u0026gt; show system statistics kernel memory\u003cbr\u003eMemory \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Size (kB) Percentage When\u003cbr\u003e\u0026nbsp; Active \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 753092 \u0026nbsp; \u0026nbsp; 18.4% Now\u003cbr\u003e\u0026nbsp; Inactive \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 574300 \u0026nbsp; \u0026nbsp; 14.0% Now\u003cbr\u003e\u0026nbsp; Wired\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 443236 \u0026nbsp; \u0026nbsp; 10.8% Now\u003cbr\u003e\u0026nbsp; Cached\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 1911204 \u0026nbsp; \u0026nbsp; 46.6% Now\u003cbr\u003e\u0026nbsp; Buf \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 32768\u0026nbsp; \u0026nbsp; \u0026nbsp; 0.8% Now\u003cbr\u003e\u0026nbsp; Free \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 385072\u0026nbsp; \u0026nbsp; \u0026nbsp; 9.4% Now\u003cbr\u003eKernel Memory\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;Now\u003cbr\u003e\u0026nbsp; Data \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 312908\u0026nbsp; \u0026nbsp; \u0026nbsp; 7.6% Now\u003cbr\u003e\u0026nbsp; Text \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; 2560\u0026nbsp; \u0026nbsp; \u0026nbsp; 0.1% Now\u003cbr\u003e\u003c/tt\u003e...\u003cbr\u003e\u003cbr\u003eThis issue affects:\u003cbr\u003e\u003cp\u003eJunos OS:\u003cbr\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 20.4R3-S9,\u003c/li\u003e\u003cli\u003eAll versions of 21.2,\u003c/li\u003e\u003cli\u003efrom 21.4 before 21.4R3-S5,\u003c/li\u003e\u003cli\u003efrom 22.1 before 22.1R3-S5,\u003c/li\u003e\u003cli\u003efrom 22.2 before 22.2R3-S3,\u003c/li\u003e\u003cli\u003efrom 22.3 before 22.3R3-S2,\u003c/li\u003e\u003cli\u003efrom 22.4 before 22.4R3,\u003c/li\u003e\u003cli\u003efrom 23.2 before 23.2R2;\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eJunos OS Evolved:\u003cbr\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 21.4R3-S5-EVO,\u003c/li\u003e\u003cli\u003efrom 22.1-EVO before 22.1R3-S5-EVO, \u003c/li\u003e\u003cli\u003efrom 22.2-EVO before 22.2R3-S3-EVO, \u003c/li\u003e\u003cli\u003efrom 22.3-EVO before 22.3R3-S2-EVO, \u003c/li\u003e\u003cli\u003efrom 22.4-EVO before 22.4R3-EVO, \u003c/li\u003e\u003cli\u003efrom 23.2-EVO before 23.2R2-EVO.\u003c/li\u003e\u003c/ul\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"eng\", \"type\": \"CWE\", \"cweId\": \"CWE-755\", \"description\": \"CWE-755 Improper Handling of Exceptional Conditions\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"This issue only affects systems configured with RSVP.\\u00a0 A minimum RSVP configuration is shown below:\\n\\n[edit protocols rsvp]\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"This issue only affects systems configured with RSVP.\u0026nbsp; A minimum RSVP configuration is shown below:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003e[edit protocols rsvp]\u003cbr\u003e\u003cbr\u003e\u003c/tt\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2024-07-11T16:45:46.326Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-39560\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-07-11T16:45:46.326Z\", \"dateReserved\": \"2024-06-25T15:12:53.247Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2024-07-10T22:44:55.736Z\", \"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 seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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