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211 lines
11 KiB
JSON
211 lines
11 KiB
JSON
{
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"CVE_data_meta": {
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"ASSIGNER": "sirt@juniper.net",
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"DATE_PUBLIC": "2021-01-13T17:00:00.000Z",
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"ID": "CVE-2021-0208",
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"STATE": "PUBLIC",
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"TITLE": "Junos OS and Junos OS Evolved: In bidirectional LSP configurations, on MPLS egress router RPD may core upon receipt of specific malformed RSVP packet."
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"product": {
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"product_data": [
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{
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"product_name": "Junos OS",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_value": "17.3R3-S10"
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},
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{
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"version_affected": "<",
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"version_name": "17.4",
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"version_value": "17.4R3-S2"
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},
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{
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"version_affected": "<",
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"version_name": "18.1",
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"version_value": "18.1R3-S10"
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},
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{
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"version_affected": "<",
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"version_name": "18.2",
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"version_value": "18.2R2-S7, 18.2R3-S4"
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},
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{
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"version_affected": "<",
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"version_name": "18.3",
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"version_value": "18.3R3-S2"
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},
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{
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"version_affected": "<",
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"version_name": "18.4",
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"version_value": "18.4R1-S8, 18.4R2-S6, 18.4R3-S2"
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},
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{
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"version_affected": "<",
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"version_name": "19.1",
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"version_value": "19.1R1-S5, 19.1R3-S3"
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},
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{
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"version_affected": "<",
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"version_name": "19.2",
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"version_value": "19.2R3"
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},
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{
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"version_affected": "<",
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"version_name": "19.3",
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"version_value": "19.3R2-S5, 19.3R3"
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},
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{
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"version_affected": "<",
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"version_name": "19.4",
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"version_value": "19.4R2-S2, 19.4R3-S1"
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},
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{
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"version_affected": "<",
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"version_name": "20.1",
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"version_value": "20.1R1-S4, 20.1R2"
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},
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{
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"platform": "SRX Series",
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"version_affected": "<",
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"version_name": "15.1X49",
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"version_value": "15.1X49-D240"
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}
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]
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}
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},
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{
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"product_name": "Junos OS Evolved",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "19.3",
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"version_value": "19.3R2-S5-EVO"
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},
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{
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"version_affected": "<",
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"version_name": "19.4",
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"version_value": "19.4R2-S2-EVO"
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},
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{
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"version_affected": "<",
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"version_name": "20.1",
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"version_value": "20.1R1-S4-EVO"
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}
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]
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}
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}
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]
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},
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"vendor_name": "Juniper Networks"
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}
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]
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}
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},
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"configuration": [
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{
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"lang": "eng",
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"value": "The following are examples of minimal configurations: \n [protocols mpls label-switched-path <lsp-name> corouted-bidirectional;]\nor\n [logical-systems <logical-system-name> protocols mpls label-switched-path <lsp-name> corouted-bidirectional;]\n \n"
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}
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],
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"data_format": "MITRE",
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"data_type": "CVE",
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"data_version": "4.0",
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "An improper input validation vulnerability in the Routing Protocol Daemon (RPD) service of Juniper Networks Junos OS allows an attacker to send a malformed RSVP packet when bidirectional LSPs are in use, which when received by an egress router crashes the RPD causing a Denial of Service (DoS) condition. Continued receipt of the packet will sustain the Denial of Service. This issue affects: Juniper Networks Junos OS: All versions prior to 17.3R3-S10 except 15.1X49-D240 for SRX series; 17.4 versions prior to 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S4; 18.3 versions prior to 18.3R3-S2; 18.4 versions prior to 18.4R1-S8, 18.4R2-S6, 18.4R3-S2; 19.1 versions prior to 19.1R1-S5, 19.1R3-S3; 19.2 versions prior to 19.2R3; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R2-S2, 19.4R3-S1; 20.1 versions prior to 20.1R1-S4, 20.1R2; 15.1X49 versions prior to 15.1X49-D240 on SRX Series. Juniper Networks Junos OS Evolved: 19.3 versions prior to 19.3R2-S5-EVO; 19.4 versions prior to 19.4R2-S2-EVO; 20.1 versions prior to 20.1R1-S4-EVO."
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}
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]
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},
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"exploit": [
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{
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"lang": "eng",
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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}
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],
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"generator": {
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"engine": "Vulnogram 0.0.9"
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},
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"impact": {
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"cvss": {
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"attackComplexity": "LOW",
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"attackVector": "ADJACENT_NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 8.8,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"version": "3.1"
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-20: Improper Input Validation"
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}
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]
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},
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{
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"description": [
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{
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"lang": "eng",
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"value": "Denial of Service (DoS)"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"name": "https://kb.juniper.net/JSA11098",
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"refsource": "CONFIRM",
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"url": "https://kb.juniper.net/JSA11098"
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},
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{
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"refsource": "MISC",
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"url": "https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/disable-edit-protocols-rsvp.html",
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"name": "https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/disable-edit-protocols-rsvp.html"
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},
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{
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"refsource": "MISC",
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"url": "https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/corouted-bidirectional-edit-protocols-mpls.html",
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"name": "https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/corouted-bidirectional-edit-protocols-mpls.html"
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}
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]
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},
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"solution": [
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{
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"lang": "eng",
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"value": "The following software releases have been updated to resolve this specific issue: \nJunos OS: 15.1X49-D240, 17.3R3-S10, 17.4R3-S2, 18.1R3-S10, 18.2R2-S7, 18.2R3-S4, 18.3R3-S2, 18.4R1-S8, 18.4R2-S6, 18.4R3-S2, 19.1R1-S5, 19.1R3-S3, 19.2R3, 19.3R2-S5, 19.3R3, 19.4R2-S2, 19.4R3-S1, 20.1R1-S4, 20.1R2, 20.2R1, and all subsequent releases.\n\nNote: With the exception of SRX Series products using version 15.1X49-D240, all products using Junos OS prior to 17.3R3-S10 are affected and will not be fixed by Juniper Networks, Inc.\n\nJunos OS Evolved: 19.3R2-S5-EVO, 19.4R2-S2-EVO, 20.1R1-S4-EVO, and all subsequent releases. "
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}
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],
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"source": {
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"advisory": "JSA11098",
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"defect": [
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"1493718"
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],
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"discovery": "USER"
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},
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"work_around": [
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{
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"lang": "eng",
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"value": "If bidirectional LSPs are running in the network, when changing family mpls maximum-labels on an interface, first disable RSVP for this interface.\nYou can include the disable statement at the following hierarchy levels:\n [edit protocols rsvp interface interface-name ]\n [edit logical-systems logical-system-name protocols rsvp interface interface-name ]\n\nSee the MPLS RSVP disable configuration guide for further details."
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}
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]
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} |