cvelist/2022/22xxx/CVE-2022-22180.json
2022-01-19 01:01:15 +00:00

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{
"CVE_data_meta": {
"ASSIGNER": "sirt@juniper.net",
"DATE_PUBLIC": "2022-01-12T17:00:00.000Z",
"ID": "CVE-2022-22180",
"STATE": "PUBLIC",
"TITLE": "Junos OS: EX2300 Series, EX2300-MP Series, EX3400 Series: A slow memory leak due to processing of specific IPv6 packets"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Junos OS",
"version": {
"version_data": [
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "18.4",
"version_value": "18.4R2-S10, 18.4R3-S10"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "19.1",
"version_value": "19.1R3-S7"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "19.2",
"version_value": "19.2R1-S8, 19.2R3-S4"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "19.3",
"version_value": "19.3R3-S5"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "19.4",
"version_value": "19.4R3-S7"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "20.1",
"version_value": "20.1R3-S3"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "20.2",
"version_value": "20.2R3-S3"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "20.3",
"version_value": "20.3R3-S2"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "20.4",
"version_value": "20.4R3-S1"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "21.1",
"version_value": "21.1R2-S2, 21.1R3"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "21.2",
"version_value": "21.2R1-S2, 21.2R2"
},
{
"platform": "EX2300 Series, EX2300-MP Series, EX3400 Series",
"version_affected": "<",
"version_name": "21.3",
"version_value": "21.3R1-S1, 21.3R2"
},
{
"version_affected": "!<",
"version_value": "18.4R2-S10, 18.4R3-S10"
}
]
}
}
]
},
"vendor_name": "Juniper Networks"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the processing of specific IPv6 packets on certain EX Series devices may lead to exhaustion of DMA memory causing a Denial of Service (DoS). Over time, exploitation of this vulnerability may cause traffic to stop being forwarded, or a crash of the fxpc process. An indication of the issue occurring may be observed through the following log messages: Sep 13 17:14:59 hostname : %PFE-3: fpc0 (buf alloc) failed allocating packet buffer Sep 13 17:14:59 hostname : %PFE-7: fpc0 brcm_pkt_buf_alloc:393 (buf alloc) failed allocating packet buffer When Packet DMA heap utilization reaches 99%, the system will become unstable. Packet DMA heap utilization can be monitored using the command: user@junos# request pfe execute target fpc0 timeout 30 command \"show heap\" ID Base Total(b) Free(b) Used(b) % Name -- ---------- ----------- ----------- ----------- --- ----------- 0 213301a8 536870488 387228840 149641648 27 Kernel 1 91800000 8388608 3735120 4653488 55 DMA 2 92000000 75497472 74452192 1045280 1 PKT DMA DESC 3 d330000 335544320 257091400 78452920 23 Bcm_sdk 4 96800000 184549376 2408 184546968 99 Packet DMA <<<< 5 903fffe0 20971504 20971504 0 0 Blob This issue affects: Juniper Networks Junos OS 18.4 versions prior to 18.4R2-S10, 18.4R3-S10 on EX2300 Series, EX2300-MP Series, EX3400 Series; 19.1 versions prior to 19.1R3-S7 on EX2300 Series, EX2300-MP Series, EX3400 Series; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4 on EX2300 Series, EX2300-MP Series, EX3400 Series; 19.3 versions prior to 19.3R3-S5 on EX2300 Series, EX2300-MP Series, EX3400 Series; 19.4 versions prior to 19.4R3-S7 on EX2300 Series, EX2300-MP Series, EX3400 Series; 20.1 versions prior to 20.1R3-S3 on EX2300 Series, EX2300-MP Series, EX3400 Series; 20.2 versions prior to 20.2R3-S3 on EX2300 Series, EX2300-MP Series, EX3400 Series; 20.3 versions prior to 20.3R3-S2 on EX2300 Series, EX2300-MP Series, EX3400 Series; 20.4 versions prior to 20.4R3-S1 on EX2300 Series, EX2300-MP Series, EX3400 Series; 21.1 versions prior to 21.1R2-S2, 21.1R3 on EX2300 Series, EX2300-MP Series, EX3400 Series; 21.2 versions prior to 21.2R1-S2, 21.2R2 on EX2300 Series, EX2300-MP Series, EX3400 Series; 21.3 versions prior to 21.3R1-S1, 21.3R2 on EX2300 Series, EX2300-MP Series, EX3400 Series."
}
]
},
"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": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/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-754 Improper Check for Unusual or Exceptional Conditions"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "Denial of Service (DoS)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://kb.juniper.net/JSA11286",
"refsource": "CONFIRM",
"url": "https://kb.juniper.net/JSA11286"
}
]
},
"solution": [
{
"lang": "eng",
"value": "The following software releases have been updated to resolve this specific issue: 18.4R2-S10, 18.4R3-S10, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.4R3-S7, 20.1R3-S3, 20.2R3-S3, 20.3R3-S2, 20.4R3-S1, 21.1R2-S2, 21.1R3, 21.2R1-S2, 21.2R2, 21.2R3, 21.3R1-S1, 21.3R2, 21.4R1, and all subsequent releases.\n"
}
],
"source": {
"advisory": "JSA11286",
"defect": [
"1619970"
],
"discovery": "USER"
},
"work_around": [
{
"lang": "eng",
"value": "If IPv6 is not used in the environment, to prevent the issue an administrator can apply a firewall filter for blocking IPv6 packets on the ingress port where the traffic might be received:\n [firewall family ethernet-switching filter BLOCK-IPv6 interface-specific]\n [firewall family ethernet-switching filter BLOCK-IPv6 term 1 from ether-type ipv6]\n [firewall family ethernet-switching filter BLOCK-IPv6 term 1 then discard]\n [firewall family ethernet-switching filter BLOCK-IPv6 term 1 then count BLOCK-IPv6_COUNT]\n [firewall family ethernet-switching filter BLOCK-IPv6 term default then accept]\n [interfaces <interface ID> family ethernet-switching filter input BLOCK-IPv6]\n"
}
]
}