{ "CVE_data_meta": { "ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2020-10-14T07:00:00.000Z", "ID": "CVE-2020-1678", "STATE": "PUBLIC", "TITLE": "Junos OS and Junos OS Evolved: RPD can crash due to a slow memory leak." }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Junos OS", "version": { "version_data": [ { "version_affected": "<", "version_name": "19.4", "version_value": "19.4R2" }, { "version_affected": "<", "version_name": "20.1", "version_value": "20.1R1-S4, 20.1R2" } ] } }, { "product_name": "Junos OS Evolved", "version": { "version_data": [ { "version_affected": "=", "version_name": "19.4-EVO", "version_value": "19.4-EVO" }, { "version_affected": "<", "version_name": "20.1-EVO", "version_value": "20.1R1-S4-EVO, 20.1R2-EVO" } ] } } ] }, "vendor_name": "Juniper Networks" } ] } }, "configuration": [ { "lang": "eng", "value": "The example of the configuration stanza affected by this issue is as follows:\n [protocols evpn]" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "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> 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." } ] }, "exploit": [ { "lang": "eng", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-400 Uncontrolled Resource Consumption" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.juniper.net/JSA11075", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11075" } ] }, "solution": [ { "lang": "eng", "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 19.4R2, 19.4R3, 20.1R1-S4, 20.1R2, 20.2R1 and all subsequent releases.\n\nJunos OS Evolved: 20.1R1-S4-EVO, 20.1R2-EVO, 20.2R1-EVO, and all subsequent releases.\n" } ], "source": { "advisory": "JSA11075", "defect": [ "1490269" ], "discovery": "USER" }, "work_around": [ { "lang": "eng", "value": "There are no viable workarounds for this issue." } ] }