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Vulnerability Details : CVE-2020-1625

The kernel memory usage represented as "temp" via 'show system virtual-memory' may constantly increase when Integrated Routing and Bridging (IRB) is configured with multiple underlay physical interfaces, and one interface flaps. This memory leak can affect running daemons (processes), leading to an extended Denial of Service (DoS) condition. Usage of "temp" virtual memory, shown here by a constantly increasing value of outstanding Requests, can be monitored by executing the 'show system virtual-memory' command as shown below: user@junos> show system virtual-memory |match "fpc|type|temp" fpc0: -------------------------------------------------------------------------- Type InUse MemUse HighUse Requests Size(s) temp 2023 431K - 10551 16,32,64,128,256,512,1024,2048,4096,65536,262144,1048576,2097152,4194304,8388608 fpc1: -------------------------------------------------------------------------- Type InUse MemUse HighUse Requests Size(s) temp 2020 431K - 6460 16,32,64,128,256,512,1024,2048,4096,65536,262144,1048576,2097152,4194304,8388608 user@junos> show system virtual-memory |match "fpc|type|temp" fpc0: -------------------------------------------------------------------------- Type InUse MemUse HighUse Requests Size(s) temp 2023 431K - 16101 16,32,64,128,256,512,1024,2048,4096,65536,262144,1048576,2097152,4194304,8388608 fpc1: -------------------------------------------------------------------------- Type InUse MemUse HighUse Requests Size(s) temp 2020 431K - 6665 16,32,64,128,256,512,1024,2048,4096,65536,262144,1048576,2097152,4194304,8388608 user@junos> show system virtual-memory |match "fpc|type|temp" fpc0: -------------------------------------------------------------------------- Type InUse MemUse HighUse Requests Size(s) temp 2023 431K - 21867 16,32,64,128,256,512,1024,2048,4096,65536,262144,1048576,2097152,4194304,8388608 fpc1: -------------------------------------------------------------------------- Type InUse MemUse HighUse Requests Size(s) temp 2020 431K - 6858 16,32,64,128,256,512,1024,2048,4096,65536,262144,1048576,2097152,4194304,8388608 This issue affects Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S6; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R2-S8, 17.2R3-S3; 17.2X75 versions prior to 17.2X75-D44; 17.3 versions prior to 17.3R2-S5, 17.3R3-S6; 17.4 versions prior to 17.4R2-S5, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S5, 18.2R3; 18.2X75 versions prior to 18.2X75-D33, 18.2X75-D411, 18.2X75-D420, 18.2X75-D60; 18.3 versions prior to 18.3R1-S5, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R2-S2, 18.4R3; 19.1 versions prior to 19.1R1-S3, 19.1R2; 19.2 versions prior to 19.2R1-S3, 19.2R2. This issue does not affect Juniper Networks Junos OS 12.3 and 15.1.
Publish Date : 2020-04-08 Last Update Date : 2021-09-14
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- CVSS Scores & Vulnerability Types

CVSS Score
3.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 401

- Products Affected By CVE-2020-1625

# Product Type Vendor Product Version Update Edition Language
1 OS Juniper Junos 16.1 R4-s2 * * Version Details Vulnerabilities
2 OS Juniper Junos 16.1 R7-s4 * * Version Details Vulnerabilities
3 OS Juniper Junos 16.1 R6-s1 * * Version Details Vulnerabilities
4 OS Juniper Junos 16.1 R3 * * Version Details Vulnerabilities
5 OS Juniper Junos 16.1 R4-s3 * * Version Details Vulnerabilities
6 OS Juniper Junos 16.1 R7-s5 * * Version Details Vulnerabilities
7 OS Juniper Junos 16.1 R6-s6 * * Version Details Vulnerabilities
8 OS Juniper Junos 16.1 R3-s10 * * Version Details Vulnerabilities
9 OS Juniper Junos 16.1 R4-s4 * * Version Details Vulnerabilities
10 OS Juniper Junos 16.1 R3-s11 * * Version Details Vulnerabilities
11 OS Juniper Junos 16.1 R7 * * Version Details Vulnerabilities
12 OS Juniper Junos 16.1 - * * Version Details Vulnerabilities
13 OS Juniper Junos 16.1 R4-s6 * * Version Details Vulnerabilities
14 OS Juniper Junos 16.1 R4 * * Version Details Vulnerabilities
15 OS Juniper Junos 16.1 R7-s2 * * Version Details Vulnerabilities
16 OS Juniper Junos 16.1 R1 * * Version Details Vulnerabilities
17 OS Juniper Junos 16.1 R5 * * Version Details Vulnerabilities
18 OS Juniper Junos 16.1 R4-s12 * * Version Details Vulnerabilities
19 OS Juniper Junos 16.1 R7-s3 * * Version Details Vulnerabilities
20 OS Juniper Junos 16.1 R5-s4 * * Version Details Vulnerabilities
21 OS Juniper Junos 16.1 R2 * * Version Details Vulnerabilities
22 OS Juniper Junos 17.1 R2-s1 * * Version Details Vulnerabilities
23 OS Juniper Junos 17.1 R2-s6 * * Version Details Vulnerabilities
24 OS Juniper Junos 17.1 R2-s10 * * Version Details Vulnerabilities
25 OS Juniper Junos 17.1 R2-s7 * * Version Details Vulnerabilities
26 OS Juniper Junos 17.1 R2-s2 * * Version Details Vulnerabilities
27 OS Juniper Junos 17.1 - * * Version Details Vulnerabilities
28 OS Juniper Junos 17.1 R2-s8 * * Version Details Vulnerabilities
29 OS Juniper Junos 17.1 R2-s3 * * Version Details Vulnerabilities
30 OS Juniper Junos 17.1 R1 * * Version Details Vulnerabilities
31 OS Juniper Junos 17.1 R2-s9 * * Version Details Vulnerabilities
32 OS Juniper Junos 17.1 R2-s4 * * Version Details Vulnerabilities
33 OS Juniper Junos 17.1 R2 * * Version Details Vulnerabilities
34 OS Juniper Junos 17.1 R3 * * Version Details Vulnerabilities
35 OS Juniper Junos 17.1 R2-s5 * * Version Details Vulnerabilities
36 OS Juniper Junos 17.2 - * * Version Details Vulnerabilities
37 OS Juniper Junos 17.2 R2-s7 * * Version Details Vulnerabilities
38 OS Juniper Junos 17.2 R1-s5 * * Version Details Vulnerabilities
39 OS Juniper Junos 17.2 R1 * * Version Details Vulnerabilities
40 OS Juniper Junos 17.2 R3-s1 * * Version Details Vulnerabilities
41 OS Juniper Junos 17.2 R1-s7 * * Version Details Vulnerabilities
42 OS Juniper Junos 17.2 R1-s1 * * Version Details Vulnerabilities
43 OS Juniper Junos 17.2 R3-s2 * * Version Details Vulnerabilities
44 OS Juniper Junos 17.2 R1-s8 * * Version Details Vulnerabilities
45 OS Juniper Junos 17.2 R1-s2 * * Version Details Vulnerabilities
46 OS Juniper Junos 17.2x75 - * * Version Details Vulnerabilities
47 OS Juniper Junos 17.2 R2 * * Version Details Vulnerabilities
48 OS Juniper Junos 17.2 R1-s3 * * Version Details Vulnerabilities
49 OS Juniper Junos 17.2 R2-s6 * * Version Details Vulnerabilities
50 OS Juniper Junos 17.2 R1-s4 * * Version Details Vulnerabilities
51 OS Juniper Junos 17.3 R1-s1 * * Version Details Vulnerabilities
52 OS Juniper Junos 17.3 R3-s5 * * Version Details Vulnerabilities
53 OS Juniper Junos 17.3 R3 - * Version Details Vulnerabilities
54 OS Juniper Junos 17.3 R2 * * Version Details Vulnerabilities
55 OS Juniper Junos 17.3 R3-s1 * * Version Details Vulnerabilities
56 OS Juniper Junos 17.3 R2-s1 * * Version Details Vulnerabilities
57 OS Juniper Junos 17.3 R3-s2 * * Version Details Vulnerabilities
58 OS Juniper Junos 17.3 R2-s2 * * Version Details Vulnerabilities
59 OS Juniper Junos 17.3 R3-s3 * * Version Details Vulnerabilities
60 OS Juniper Junos 17.3 R2-s3 * * Version Details Vulnerabilities
61 OS Juniper Junos 17.3 - * * Version Details Vulnerabilities
62 OS Juniper Junos 17.3 R3-s4 * * Version Details Vulnerabilities
63 OS Juniper Junos 17.3 R2-s4 * * Version Details Vulnerabilities
64 OS Juniper Junos 17.4 R2-s2 * * Version Details Vulnerabilities
65 OS Juniper Junos 17.4 R1-s5 * * Version Details Vulnerabilities
66 OS Juniper Junos 17.4 - * * Version Details Vulnerabilities
67 OS Juniper Junos 17.4 R2-s3 * * Version Details Vulnerabilities
68 OS Juniper Junos 17.4 R1-s6 * * Version Details Vulnerabilities
69 OS Juniper Junos 17.4 R1 * * Version Details Vulnerabilities
70 OS Juniper Junos 17.4 R2-s4 * * Version Details Vulnerabilities
71 OS Juniper Junos 17.4 R1-s7 * * Version Details Vulnerabilities
72 OS Juniper Junos 17.4 R1-s1 * * Version Details Vulnerabilities
73 OS Juniper Junos 17.4 R2 * * Version Details Vulnerabilities
74 OS Juniper Junos 17.4 R1-s2 * * Version Details Vulnerabilities
75 OS Juniper Junos 17.4 R2-s1 * * Version Details Vulnerabilities
76 OS Juniper Junos 17.4 R1-s4 * * Version Details Vulnerabilities
77 OS Juniper Junos 18.1 R2-s1 * * Version Details Vulnerabilities
78 OS Juniper Junos 18.1 R3-s3 * * Version Details Vulnerabilities
79 OS Juniper Junos 18.1 R2-s2 * * Version Details Vulnerabilities
80 OS Juniper Junos 18.1 R3-s4 * * Version Details Vulnerabilities
81 OS Juniper Junos 18.1 R2-s4 * * Version Details Vulnerabilities
82 OS Juniper Junos 18.1 R3-s6 * * Version Details Vulnerabilities
83 OS Juniper Junos 18.1 R3 * * Version Details Vulnerabilities
84 OS Juniper Junos 18.1 - * * Version Details Vulnerabilities
85 OS Juniper Junos 18.1 R3-s1 * * Version Details Vulnerabilities
86 OS Juniper Junos 18.1 R2 * * Version Details Vulnerabilities
87 OS Juniper Junos 18.1 R3-s2 * * Version Details Vulnerabilities
88 OS Juniper Junos 18.2x75 D30 * * Version Details Vulnerabilities
89 OS Juniper Junos 18.2 R1-s5 * * Version Details Vulnerabilities
90 OS Juniper Junos 18.2x75 D40 * * Version Details Vulnerabilities
91 OS Juniper Junos 18.2 R2-s1 * * Version Details Vulnerabilities
92 OS Juniper Junos 18.2 R2-s2 * * Version Details Vulnerabilities
93 OS Juniper Junos 18.2 R2-s3 * * Version Details Vulnerabilities
94 OS Juniper Junos 18.2 - * * Version Details Vulnerabilities
95 OS Juniper Junos 18.2x75 - * * Version Details Vulnerabilities
96 OS Juniper Junos 18.2 R2-s4 * * Version Details Vulnerabilities
97 OS Juniper Junos 18.2x75 D20 * * Version Details Vulnerabilities
98 OS Juniper Junos 18.2 R1-s3 * * Version Details Vulnerabilities
99 OS Juniper Junos 18.3 R1-s2 * * Version Details Vulnerabilities
100 OS Juniper Junos 18.3 R1-s3 * * Version Details Vulnerabilities
101 OS Juniper Junos 18.3 R1-s5 * * Version Details Vulnerabilities
102 OS Juniper Junos 18.3 - * * Version Details Vulnerabilities
103 OS Juniper Junos 18.3 R2 * * Version Details Vulnerabilities
104 OS Juniper Junos 18.3 R1 * * Version Details Vulnerabilities
105 OS Juniper Junos 18.3 R2-s1 * * Version Details Vulnerabilities
106 OS Juniper Junos 18.3 R1-s1 * * Version Details Vulnerabilities
107 OS Juniper Junos 18.3 R2-s2 * * Version Details Vulnerabilities
108 OS Juniper Junos 18.4 R2 * * Version Details Vulnerabilities
109 OS Juniper Junos 18.4 - * * Version Details Vulnerabilities
110 OS Juniper Junos 18.4 R2-s1 * * Version Details Vulnerabilities
111 OS Juniper Junos 18.4 R1 * * Version Details Vulnerabilities
112 OS Juniper Junos 18.4 R1-s1 * * Version Details Vulnerabilities
113 OS Juniper Junos 18.4 R1-s2 * * Version Details Vulnerabilities
114 OS Juniper Junos 18.4 R1-s5 * * Version Details Vulnerabilities
115 OS Juniper Junos 19.1 R1-s2 * * Version Details Vulnerabilities
116 OS Juniper Junos 19.1 - * * Version Details Vulnerabilities
117 OS Juniper Junos 19.1 R1 * * Version Details Vulnerabilities
118 OS Juniper Junos 19.1 R1-s1 * * Version Details Vulnerabilities
119 OS Juniper Junos 19.2 - * * Version Details Vulnerabilities
120 OS Juniper Junos 19.2 R1 * * Version Details Vulnerabilities
121 OS Juniper Junos 19.2 R1-s1 * * Version Details Vulnerabilities
122 OS Juniper Junos 19.2 R1-s2 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Juniper Junos 122

- References For CVE-2020-1625

https://kb.juniper.net/JSA11004 CONFIRM

- Metasploit Modules Related To CVE-2020-1625

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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