CVE-2020-1678
CVSS V2 Low 2.9
CVSS V3 Medium 6.5
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.
Overview
- CVE ID
- CVE-2020-1678
- Assigner
- sirt@juniper.net
- Vulnerability Status
- Analyzed
- Published Version
- 2020-10-16T21:15:13
- Last Modified Date
- 2021-10-25T15:20:20
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos_os_evolved:19.4:r1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos_os_evolved:19.4:r2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos_os_evolved:19.4:r2-s1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos_os_evolved:20.1:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:juniper:junos_os_evolved:20.2:-:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 2.9
- Severity
- LOW
- Exploitability Score
- 5.5
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://kb.juniper.net/JSA11075 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-1678 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1678 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:50:03 | Added to TrackCVE | |||
| 2022-12-05 00:16:34 | 2020-10-16T21:15Z | 2020-10-16T21:15:13 | CVE Published Date | updated |
| 2022-12-05 00:16:34 | 2021-10-25T15:20:20 | CVE Modified Date | updated | |
| 2022-12-05 00:16:34 | Analyzed | Vulnerability Status | updated |