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JuniperCVE-2020-1667

HistoryOct 16, 2020 - 9:15 p.m.

CVE-2020-1667

2020-10-1621:15:12

CWE-362

juniper

web.nvd.nist.gov

cve-2020-1667

juniper networks

junos mx series

dns filtering

vulnerability

mspmand process

security advisory

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:N/I:P/A:P

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

AI Score

8.1

Confidence

High

EPSS

0.001

Percentile

39.5%

JSON

When DNS filtering is enabled on Juniper Networks Junos MX Series with one of the following cards MS-PIC, MS-MIC or MS-MPC, an incoming stream of packets processed by the Multiservices PIC Management Daemon (mspmand) process might be bypassed due to a race condition. Due to this vulnerability, mspmand process, responsible for managing “URL Filtering service”, can crash, causing the Services PIC to restart. While the Services PIC is restarting, all PIC services including DNS filtering service (DNS sink holing) will be bypassed until the Services PIC completes its boot process. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S8; 18.3 versions prior to 18.3R3-S1; 18.4 versions prior to 18.4R3; 19.1 versions prior to 19.1R3; 19.2 versions prior to 19.2R2; 19.3 versions prior to 19.3R3. This issue does not affect Juniper Networks Junos OS 17.4, 18.1, and 18.2.

Affected configurations

Nvd

Node

juniperjunosMatch17.3-

juniperjunosMatch17.3r1-s1

juniperjunosMatch17.3r2

juniperjunosMatch17.3r2-s1

juniperjunosMatch17.3r2-s2

juniperjunosMatch17.3r2-s3

juniperjunosMatch17.3r2-s4

juniperjunosMatch17.3r2-s5

juniperjunosMatch17.3r3-

juniperjunosMatch17.3r3-s1

juniperjunosMatch17.3r3-s2

juniperjunosMatch17.3r3-s3

juniperjunosMatch17.3r3-s4

juniperjunosMatch17.3r3-s7

juniperjunosMatch18.3-

juniperjunosMatch18.3r1

juniperjunosMatch18.3r1-s1

juniperjunosMatch18.3r1-s2

juniperjunosMatch18.3r1-s3

juniperjunosMatch18.3r1-s5

juniperjunosMatch18.3r1-s6

juniperjunosMatch18.3r2

juniperjunosMatch18.3r2-s1

juniperjunosMatch18.3r2-s2

juniperjunosMatch18.3r2-s3

juniperjunosMatch18.3r3

juniperjunosMatch18.4-

juniperjunosMatch18.4r1

juniperjunosMatch18.4r1-s1

juniperjunosMatch18.4r1-s2

juniperjunosMatch18.4r1-s5

juniperjunosMatch18.4r1-s6

juniperjunosMatch18.4r2

juniperjunosMatch18.4r2-s1

juniperjunosMatch18.4r2-s2

juniperjunosMatch18.4r2-s3

juniperjunosMatch18.4r2-s4

juniperjunosMatch19.1-

juniperjunosMatch19.1r1

juniperjunosMatch19.1r1-s1

juniperjunosMatch19.1r1-s2

juniperjunosMatch19.1r1-s3

juniperjunosMatch19.1r1-s4

juniperjunosMatch19.1r2

juniperjunosMatch19.1r2-s1

juniperjunosMatch19.2-

juniperjunosMatch19.2r1

juniperjunosMatch19.2r1-s1

juniperjunosMatch19.2r1-s2

juniperjunosMatch19.2r1-s3

juniperjunosMatch19.3-

juniperjunosMatch19.3r1

juniperjunosMatch19.3r1-s1

juniperjunosMatch19.3r2

juniperjunosMatch19.3r2-s1

juniperjunosMatch19.3r2-s2

VendorProductVersionCPE
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:-:*:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r1-s1:*:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r2:*:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r2-s1:*:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r2-s2:*:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r2-s3:*:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r2-s4:*:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r2-s5:*:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r3:-:*:*:*:*:*
juniperjunos17.3cpe:2.3:o:juniper:junos:17.3:r3-s1:*:*:*:*:*:*

Vendor	Product	Version	CPE
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:-::::::
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r1-s1::::::
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r2::::::
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r2-s1::::::
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r2-s2::::::
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r2-s3::::::
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r2-s4::::::
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r2-s5::::::
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r3:-:::::*
juniper	junos	17.3	cpe:2.3:o:juniper:junos:17.3:r3-s1::::::

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CNA Affected

[
  {
    "platforms": [
      "MX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "17.3R3-S8",
        "status": "affected",
        "version": "17.3",
        "versionType": "custom"
      },
      {
        "lessThan": "18.3R3-S1",
        "status": "affected",
        "version": "18.3",
        "versionType": "custom"
      },
      {
        "lessThan": "18.4R3",
        "status": "affected",
        "version": "18.4",
        "versionType": "custom"
      },
      {
        "lessThan": "19.1R3",
        "status": "affected",
        "version": "19.1",
        "versionType": "custom"
      },
      {
        "lessThan": "19.2R2",
        "status": "affected",
        "version": "19.2",
        "versionType": "custom"
      },
      {
        "lessThan": "19.3R3",
        "status": "affected",
        "version": "19.3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "status": "unaffected",
        "version": "17.4"
      },
      {
        "status": "unaffected",
        "version": "18.1"
      },
      {
        "status": "unaffected",
        "version": "18.2"
      }
    ]
  }
]

References

kb.juniper.net/

kb.juniper.net/InfoCenter/index?page=content&id=JSA11064&cat=MX_SERIES&actp=LIST

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:N/I:P/A:P

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

AI Score

8.1

Confidence

High

EPSS

0.001

Percentile

39.5%

JSON

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