CVE-2020-1678
Junos OS and Junos OS Evolved: RPD can crash due to a slow memory leak.
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.
INFO
Published Date :
Oct. 16, 2020, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 5:11 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Apply the relevant Junos software release referenced in Juniper advisory JSA11075.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-1678.
| URL | Resource |
|---|---|
| https://kb.juniper.net/JSA11075 | Vendor Advisory |
| https://kb.juniper.net/JSA11075 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-1678 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-1678
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-1678 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-1678 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://kb.juniper.net/JSA11075 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Oct. 25, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:juniper:junos_evolved:19.4:r1:*:*:*:*:*:* OR *cpe:2.3:o:juniper:junos_os_evolved:19.4:r1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Oct. 25, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:juniper:junos_evolved:20.1:r1:*:*:*:*:*:* OR *cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Oct. 23, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:juniper:junos_evolved:19.4:r2:*:*:*:*:*:* OR *cpe:2.3:o:juniper:junos_os_evolved:19.4:r2:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Oct. 23, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:juniper:junos_evolved:20.2:-:*:*:*:*:*:* OR *cpe:2.3:o:juniper:junos_os_evolved:20.2:-:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Oct. 23, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:juniper:junos_evolved:20.1:-:*:*:*:*:*:* OR *cpe:2.3:o:juniper:junos_os_evolved:20.1:-:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Oct. 23, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:juniper:junos_evolved:19.4:r2-s1:*:*:*:*:*:* OR *cpe:2.3:o:juniper:junos_os_evolved:19.4:r2-s1:*:*:*:*:*:* -
Reanalysis by [email protected]
Oct. 19, 2021
Action Type Old Value New Value Removed CWE NIST CWE-772 Added CWE NIST CWE-401 -
Initial Analysis by [email protected]
Oct. 27, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:A/AC:M/Au:N/C:N/I:N/A:P) Changed Reference Type https://kb.juniper.net/JSA11075 No Types Assigned https://kb.juniper.net/JSA11075 Vendor Advisory Added CWE NIST CWE-772 Added CPE Configuration OR *cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos_evolved:19.4:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos_evolved:19.4:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos_evolved:19.4:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos_evolved:20.1:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos_evolved:20.1:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos_evolved:20.2:-:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 6.5
Base CVSS Score: 2.9
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} -0.03%
score
0.20926
percentile