CVE-2020-1678

Junos OS and Junos OS Evolved: RPD can crash due to a slow memory leak.

State
Published
Severity
6.5 Medium
Published
Oct 16, 2020
Updated
Sep 16, 2024
Reserved
Nov 4, 2019

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-400 Uncontrolled Resource Consumption

Affected Products

ProductVersions
Junos OSJuniper Networks
  • 19.4 to before 19.4R2Affected
  • 20.1 to before 20.1R1-S4, 20.1R2Affected
Junos OS EvolvedJuniper Networks
  • 19.4-EVOAffected
  • 20.1-EVO to before 20.1R1-S4-EVO, 20.1R2-EVOAffected

References

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