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CVE-2020-1641

A Race Condition vulnerability in Juniper Networks Junos OS LLDP implementation allows an attacker to cause LLDP to crash leading to a Denial of Service (DoS). This issue occurs when crafted LLDP packets are received by the device from an adjacent device. Multiple LACP flaps will occur after LLDP crashes. An indicator of compromise is to evaluate log file details for lldp with RLIMIT. Intervention should occur before 85% threshold of used KB versus maximum available KB memory is reached. show log messages | match RLIMIT | match lldp | last 20 Matching statement is " /kernel: %KERNEL-[number]: Process ([pid #],lldpd) has exceeded 85% of RLIMIT_DATA: " with [] as variable data to evaluate for. This issue affects: Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S15; 12.3X48 versions prior to 12.3X48-D95; 15.1 versions prior to 15.1R7-S6; 15.1X49 versions prior to 15.1X49-D200; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S7; 17.1 versions prior to 17.1R2-S11, 17.1R3-S2; 17.2 versions prior to 17.2R1-S9, 17.2R3-S3; 17.3 versions prior to 17.3R2-S5, 17.3R3-S6; 17.4 versions prior to 17.4R2-S4, 17.4R3; 18.1 versions prior to 18.1R3-S5; 18.2 versions prior to 18.2R2-S7, 18.2R3; 18.2X75 versions prior to 18.2X75-D12, 18.2X75-D33, 18.2X75-D50, 18.2X75-D420; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S5, 18.4R2; 19.1 versions prior to 19.1R1-S4, 19.1R2.

Published

2020-07-17T19:15:12.703

Last Modified

2024-11-21T05:11:03.750

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

6.5

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-362
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x49 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 15.1x53 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 16.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.1 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.2 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.3 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 17.4 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.1 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2 Yes
Operating System juniper junos 18.2x75 Yes
Operating System juniper junos 18.2x75 Yes
Operating System juniper junos 18.2x75 Yes
Operating System juniper junos 18.2x75 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.3 Yes
Operating System juniper junos 18.4 Yes
Operating System juniper junos 18.4 Yes
Operating System juniper junos 18.4 Yes
Operating System juniper junos 18.4 Yes
Operating System juniper junos 18.4 Yes
Operating System juniper junos 18.4 Yes
Operating System juniper junos 19.1 Yes
Operating System juniper junos 19.1 Yes
Operating System juniper junos 19.1 Yes
Operating System juniper junos 19.1 Yes
Operating System juniper junos 19.1 Yes
References