CVE-2020-1683 - Missing Release of Memory after Effective Lifetime

Severity

75%

Complexity

39%

Confidentiality

60%

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 7.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C).

Demo Examples

Missing Release of Memory after Effective Lifetime

CWE-401

The following C function leaks a block of allocated memory if the call to read() does not return the expected number of bytes:


               
}

                     
return buf;
return NULL;

                           
return NULL;

Overview

Type

Juniper

First reported 4 years ago

2020-10-16 21:15:00

Last updated 4 years ago

2020-10-28 17:05:00

Affected Software

Juniper JUNOS 17.4 R3

17.4

Juniper JUNOS 18.1 R3-S6

18.1

Juniper JUNOS 18.1 R3-S7

18.1

Juniper JUNOS 18.1 R3-S8

18.1

Juniper JUNOS 18.1 R3-S9

18.1

Juniper JUNOS 18.2R3

18.2

Juniper JUNOS 18.2 R3-S1

18.2

Juniper JUNOS 18.2 R3-S2

18.2

Juniper Junos 18.2x75 -

18.2x75

Juniper JUNOS 18.2x75 D20

18.2x75

Juniper JUNOS 18.2x75 D30

18.2x75

Juniper JUNOS 18.2X75-D40

18.2x75

Juniper JUNOS 18.3 R3

18.3

Juniper JUNOS 18.3 R3-S1

18.3

Juniper JUNOS 18.4R2

18.4

Juniper JUNOS 18.4 R2-S1

18.4

Juniper JUNOS 18.4 R2-S2

18.4

Juniper JUNOS 18.4 R2-S3

18.4

Juniper JUNOS 18.4 R3

18.4

Juniper Junos OS 19.1 R2

19.1

Juniper Junos OS 19.2 R1

19.2

Juniper JUNOS 19.2 R1-S1

19.2

Juniper JUNOS 19.2 R1-S2

19.2

Juniper JUNOS 19.2 R1-S3

19.2

Juniper JUNOS 19.3

19.3

Juniper JUNOS 19.3 R1

19.3

Juniper JUNOS 19.3 R1-S1

19.3

Juniper JUNOS 19.3 R2

19.3

Juniper JUNOS 19.3 R2-S1

19.3

Juniper JUNOS 19.3 R2-S2

19.3

Juniper JUNOS 19.4 R1

19.4

Juniper JUNOS 19.4 R1-S1

19.4

References

https://kb.juniper.net/JSA11080

https://kb.juniper.net/JSA11080

Vendor Advisory

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.