CVE-2020-1678 (GCVE-0-2020-1678)

Vulnerability from cvelistv5 – Published: 2020-10-16 20:31 – Updated: 2024-09-16 20:02
VLAI?
Summary
On Juniper Networks Junos OS and Junos OS Evolved platforms with EVPN configured, receipt of specific BGP packets causes a slow memory leak. If the memory is exhausted the rpd process might crash. If the issue occurs, the memory leak could be seen by executing the "show task memory detail | match policy | match evpn" command multiple times to check if memory (Alloc Blocks value) is increasing. root@device> show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 3330678 79936272 3330678 79936272 root@device> show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 36620255 878886120 36620255 878886120 This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2; 20.1 versions prior to 20.1R1-S4, 20.1R2; Juniper Networks Junos OS Evolved: 19.4 versions; 20.1 versions prior to 20.1R1-S4-EVO, 20.1R2-EVO; 20.2 versions prior to 20.2R1-EVO; This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.
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-400 - Uncontrolled Resource Consumption
Assigner
References
https://kb.juniper.net/JSA11075 x_refsource_CONFIRM
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 19.4 , < 19.4R2 (custom)
Affected: 20.1 , < 20.1R1-S4, 20.1R2 (custom)
Create a notification for this product.
    Juniper Networks Junos OS Evolved Affected: 19.4-EVO
Affected: 20.1-EVO , < 20.1R1-S4-EVO, 20.1R2-EVO (custom)
Create a notification for this product.
Show details on NVD website
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"On Juniper Networks Junos OS and Junos OS Evolved platforms with EVPN configured, receipt of specific BGP packets causes a slow memory leak. If the memory is exhausted the rpd process might crash. If the issue occurs, the memory leak could be seen by executing the \\\"show task memory detail | match policy | match evpn\\\" command multiple times to check if memory (Alloc Blocks value) is increasing. root@device\u003e show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 3330678 79936272 3330678 79936272 root@device\u003e show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 36620255 878886120 36620255 878886120 This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2; 20.1 versions prior to 20.1R1-S4, 20.1R2; Juniper Networks Junos OS Evolved: 19.4 versions; 20.1 versions prior to 20.1R1-S4-EVO, 20.1R2-EVO; 20.2 versions prior to 20.2R1-EVO; This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.\"}, {\"lang\": \"es\", \"value\": \"En las plataformas Juniper Networks Junos OS y Junos OS Evolved con EVPN configurado, la recepci\\u00f3n de paquetes BGP espec\\u00edficos causa un filtrado de la memoria lento.\u0026#xa0;Si se agota la memoria, el proceso rpd podr\\u00eda bloquearse.\u0026#xa0;Si ocurre el problema, el filtrado de la memoria puede ser visualizado ejecutando el comando \\\"show task memory detail | match policy | match evpn\\\" varias veces para comprobar  si la memoria (valor de Alloc Blocks) est\\u00e1 aumentando.\u0026#xa0;root@device) show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 3330678 79936272 3330678 79936272 root@device\u0026gt; show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 36620255 878886120 36620255 878886120. Este problema afecta a: Juniper Networks Junos OS versiones 19.4 anteriores a 19.4R2;\u0026#xa0;versiones 20.1 anteriores a 20.1R1-S4, 20.1R2;\u0026#xa0;Juniper Networks Junos OS Evolved: versiones 19.4;\u0026#xa0;versiones 20.1 anteriores a 20.1R1-S4-EVO, 20.1R2-EVO;\u0026#xa0;versiones 20.2 anteriores a 20.2R1-EVO;\u0026#xa0;Este problema no afecta: Juniper Networks Junos OS versiones anteriores a 19.4R1.\u0026#xa0;Juniper Networks Junos OS Evolved versiones anteriores a 19.4R1-EVO\"}]",
      "id": "CVE-2020-1678",
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If the issue occurs, the memory leak could be seen by executing the \\\"show task memory detail | match policy | match evpn\\\" command multiple times to check if memory (Alloc Blocks value) is increasing. root@device\u003e show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 3330678 79936272 3330678 79936272 root@device\u003e show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 36620255 878886120 36620255 878886120 This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2; 20.1 versions prior to 20.1R1-S4, 20.1R2; Juniper Networks Junos OS Evolved: 19.4 versions; 20.1 versions prior to 20.1R1-S4-EVO, 20.1R2-EVO; 20.2 versions prior to 20.2R1-EVO; This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.\"},{\"lang\":\"es\",\"value\":\"En las plataformas Juniper Networks Junos OS y Junos OS Evolved con EVPN configurado, la recepci\u00f3n de paquetes BGP espec\u00edficos causa un filtrado de la memoria lento.\u0026#xa0;Si se agota la memoria, el proceso rpd podr\u00eda bloquearse.\u0026#xa0;Si ocurre el problema, el filtrado de la memoria puede ser visualizado ejecutando el comando \\\"show task memory detail | match policy | match evpn\\\" varias veces para comprobar  si la memoria (valor de Alloc Blocks) est\u00e1 aumentando.\u0026#xa0;root@device) show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 3330678 79936272 3330678 79936272 root@device\u0026gt; show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 36620255 878886120 36620255 878886120. Este problema afecta a: Juniper Networks Junos OS versiones 19.4 anteriores a 19.4R2;\u0026#xa0;versiones 20.1 anteriores a 20.1R1-S4, 20.1R2;\u0026#xa0;Juniper Networks Junos OS Evolved: versiones 19.4;\u0026#xa0;versiones 20.1 anteriores a 20.1R1-S4-EVO, 20.1R2-EVO;\u0026#xa0;versiones 20.2 anteriores a 20.2R1-EVO;\u0026#xa0;Este problema no afecta: Juniper Networks Junos OS versiones anteriores a 19.4R1.\u0026#xa0;Juniper Networks Junos OS Evolved versiones anteriores a 19.4R1-EVO\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":2.9,\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":5.5,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"DC743EE4-8833-452A-94DB-655BF139F883\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"FE96A8EA-FFE3-4D8F-9266-21899149D634\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C12A75C6-2D00-4202-B861-00FF71585FA0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8328FDE6-9707-4142-B905-3B07C0E28E35\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"41CD982F-E6F2-4951-9F96-A76C142DF08E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"19FDC05F-5582-4F7E-B628-E58A3C0E7F2F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:*\",\"matchCriteriaId\":\"401306D1-E9CE-49C6-8DC9-0E8747B9DC2C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos_os_evolved:19.4:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"83447F3F-79A3-41DF-8FD1-31DCFCBE40A4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos_os_evolved:19.4:r2:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B14CED1-BEAF-4343-A05D-FB1E2B6AC955\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos_os_evolved:19.4:r2-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"ABB91C38-8C70-436A-83DB-42B8DF81D7D8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos_os_evolved:20.1:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"AED25FB6-E3FA-4543-90B2-50068D683D50\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"F64FBB4B-7CBF-499B-A523-804857DEFAFA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos_os_evolved:20.2:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"487A82C9-7B7E-4ACA-BABF-65B8504079AD\"}]}]}],\"references\":[{\"url\":\"https://kb.juniper.net/JSA11075\",\"source\":\"sirt@juniper.net\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://kb.juniper.net/JSA11075\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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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.