CVE-2020-1639 - Improper Handling of Exceptional Conditions

Severity

75%

Complexity

39%

Confidentiality

60%

When an attacker sends a specific crafted Ethernet Operation, Administration, and Maintenance (Ethernet OAM) packet to a target device, it may improperly handle the incoming malformed data and fail to sanitize this incoming data resulting in an overflow condition. This overflow condition in Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) condition by coring the CFM daemon. Continued receipt of these packets may cause an extended Denial of Service condition. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S15; 12.3X48 versions prior to 12.3X48-D95 on SRX Series; 14.1X50 versions prior to 14.1X50-D145; 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1R2; 15.1X49 versions prior to 15.1X49-D170 on SRX Series; 15.1X53 versions prior to 15.1X53-D67.

When an attacker sends a specific crafted Ethernet Operation, Administration, and Maintenance (Ethernet OAM) packet to a target device, it may improperly handle the incoming malformed data and fail to sanitize this incoming data resulting in an overflow condition. This overflow condition in Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) condition by coring the CFM daemon. Continued receipt of these packets may cause an extended Denial of Service condition. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S15; 12.3X48 versions prior to 12.3X48-D95 on SRX Series; 14.1X50 versions prior to 14.1X50-D145; 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1R2; 15.1X49 versions prior to 15.1X49-D170 on SRX Series; 15.1X53 versions prior to 15.1X53-D67.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

Type

Juniper

First reported 4 years ago

2020-04-08 20:15:00

Last updated 4 years ago

2020-04-13 20:02:00

Affected Software

Juniper JUNOS 12.3

12.3

Juniper Junos 12.3 R1

12.3

Juniper JunOS 12.3 R10

12.3

Juniper JUNOS 12.3 R10-S1

12.3

Juniper JUNOS 12.3 R10-S2

12.3

Juniper Junos 12.3 R11

12.3

Juniper JunOS 12.3 R12

12.3

Juniper JUNOS 12.3 R12-S1

12.3

Juniper JUNOS 12.3 R12-S11

12.3

Juniper JUNOS 12.3 R12-S12

12.3

Juniper JUNOS 12.3 R12-s13

12.3

Juniper JUNOS 12.3 R12-S14

12.3

Juniper JUNOS 12.3 R12-S3

12.3

Juniper JUNOS 12.3 R12-S4

12.3

Juniper JUNOS 12.3 R12-S6

12.3

Juniper Junos 12.3 R12-s8

12.3

Juniper Junos OS 12.3X48

12.3x48

Juniper JunOS 12.3x48 D10

12.3x48

Juniper JunOS 12.3x48 D15

12.3x48

Juniper Junos OS 12.3X48 D20

12.3x48

Juniper Junos 12.3X48 D25

12.3x48

Juniper Junos OS 12.3X48 D30

12.3x48

Juniper Junos OS 12.3X48 D35

12.3x48

Juniper Junos OS 12.3X48 D40

12.3x48

Juniper Junos OS 12.3X48 D45

12.3x48

Juniper Junos OS 12.3X48 D50

12.3x48

Juniper Junos 12.3x48 D51

12.3x48

Juniper Junos OS 12.3X48 D55

12.3x48

Juniper Junos OS 12.3X48 D60

12.3x48

Juniper Junos OS 12.3X48 D65

12.3x48

Juniper Junos OS 12.3X48 D70

12.3x48

Juniper Junos OS 12.3X48 D75

12.3x48

Juniper JunOS 12.3x48 D80

12.3x48

Juniper Junos 14.1X50

14.1x50

Juniper JUNOS 14.1x50-D60

14.1x50

Juniper JUNOS 14.1X53

14.1x53

Juniper JunOS 14.1x53 D10

14.1x53

Juniper JunOS 14.1x53 D15

14.1x53

Juniper JunOS 14.1x53 D16

14.1x53

Juniper JunOS 14.1x53 D25

14.1x53

Juniper JunOS 14.1x53 D26

14.1x53

Juniper Junos 14.1X53 D27

14.1x53

Juniper Junos 14.1X53 D30

14.1x53

Juniper Junos 14.1X53 D35

14.1x53

Juniper JunOS 14.1x53 D40

14.1x53

Juniper Junos 14.1X53 D42

14.1x53

Juniper Junos 14.1X53 D43

14.1x53

Juniper Junos 14.1X53 D44

14.1x53

Juniper JunOS 14.1X53 D45

14.1x53

Juniper Junos OS 15.1

15.1

Juniper Junos 15.1 A1

15.1

Juniper JUNOS 15.1 F

15.1

Juniper JunOS 15.1 F1

15.1

Juniper JunOS 15.1 F2

15.1

Juniper JunOS 15.1 F2-s1

15.1

Juniper Junos 15.1 F2-S2

15.1

Juniper Junos 15.1 F2-S3

15.1

Juniper Junos 15.1 F2-S4

15.1

Juniper Junos 15.1 F3

15.1

Juniper Junos 15.1 F4

15.1

Juniper Junos 15.1 F5

15.1

Juniper Junos 15.1 F5-S7

15.1

Juniper JUNOS 15.1 F6

15.1

Juniper JUNOS 15.1 F6-s1

15.1

Juniper Junos OS 15.1 F6-s12

15.1

Juniper JUNOS 15.1 F6-s2

15.1

Juniper JUNOS 15.1 F6-S3

15.1

Juniper Junos 15.1 F6-S4

15.1

Juniper Junos 15.1 F6-S7

15.1

Juniper JunOS 15.1 F7

15.1

Juniper Junos 15.1 R1

15.1

Juniper Junos OS 15.1X49

15.1x49

Juniper JunOS 15.1x49 D10

15.1x49

Juniper Junos OS 15.1X49 D100

15.1x49

Juniper Junos OS 15.1X49 D110

15.1x49

Juniper Junos OS 15.1X49 D120

15.1x49

Juniper Junos OS 15.1X49 D130

15.1x49

Juniper Junos OS 15.1X49 D140

15.1x49

Juniper JunOS 15.1X49 D15

15.1x49

Juniper JunOS 15.1x49 D150

15.1x49

Juniper Junos OS 15.1X49 D160

15.1x49

Juniper JunOS 15.1x49 D20

15.1x49

Juniper JunOS 15.1X49 D25

15.1x49

Juniper JunOS 15.1X49 D30

15.1x49

Juniper Junos 15.1X49 D35

15.1x49

Juniper JunOS 15.1X49 D40

15.1x49

Juniper JunOS 15.1X49 D45

15.1x49

Juniper JunOS 15.1X49 D50

15.1x49

Juniper JunOS 15.1X49 D55

15.1x49

Juniper JunOS 15.1X49 D60

15.1x49

Juniper JunOS 15.1X49 D65

15.1x49

Juniper JunOS 15.1X49 D70

15.1x49

Juniper JunOS 15.1X49 D75

15.1x49

Juniper JunOS 15.1X49 D80

15.1x49

Juniper Junos OS 15.1X49 D90

15.1x49

Juniper Junos OS 15.1X53

15.1x53

Juniper Junos OS 15.1X53 D10

15.1x53

Juniper Junos 15.1X53 D20

15.1x53

Juniper Junos 15.1X53 D21

15.1x53

Juniper JunOS 15.1X53 D25

15.1x53

Juniper Junos 15.1X53 D30

15.1x53

Juniper JUNOS 15.1X53 D31

15.1x53

Juniper Junos 15.1X53 D32

15.1x53

Juniper Junos 15.1X53 D33

15.1x53

Juniper Junos 15.1X53 D34

15.1x53

Juniper JunOS 15.1X53 D40

15.1x53

Juniper JunOS 15.1X53 D45

15.1x53

Juniper Junos 15.1X53 D47

15.1x53

Juniper Junos 15.1X53 D48

15.1x53

Juniper Junos OS 15.1X53 D50

15.1x53

Juniper Junos OS 15.1X53 D51

15.1x53

Juniper Junos OS 15.1X53 D52

15.1x53

Juniper Junos OS 15.1X53 D55

15.1x53

Juniper Junos 15.1x53 D56

15.1x53

Juniper Junos OS 15.1X53 D57

15.1x53

Juniper Junos OS 15.1X53 D58

15.1x53

Juniper Junos OS 15.1X53 D59

15.1x53

Juniper JunOS 15.1X53 D60

15.1x53

Juniper JunOS 15.1X53 D61

15.1x53

Juniper JunOS 15.1X53 D62

15.1x53

Juniper JunOS 15.1X53 D63

15.1x53

Juniper Junos OS 15.1X53 D64

15.1x53

Juniper JUNOS 15.1x53 D65

15.1x53

Juniper Junos OS 15.1X53 D66

15.1x53

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