CVE-2019-0036 Information

Description

When configuring a stateless firewall filter in Junos OS terms named using the format \internal-n\ (e.g. \internal-1\ \internal-2\ etc.) are silently ignored. No warning is issued during configuration and the config is committed without error but the filter criteria will match all packets leading to unexpected results. Affected releases are Juniper Networks Junos OS: All versions prior to and including 12.3; 14.1X53 versions prior to 14.1X53-D130 14.1X53-D49; 15.1 versions prior to 15.1F6-S12 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D161 15.1X49-D170; 15.1X53 versions prior to 15.1X53-D236 15.1X53-D496 15.1X53-D69; 16.1 versions prior to 16.1R7-S4 16.1R7-S5; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R1-S8 17.2R3-S1; 17.3 versions prior to 17.3R3-S4; 17.4 versions prior to 17.4R1-S7 17.4R2-S3; 18.1 versions prior to 18.1R2-S4 18.1R3-S4; 18.2 versions prior to 18.2R1-S5 18.2R2-S1; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R1-S3; 18.4 versions prior to 18.4R1-S1 18.4R1-S2.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://kb.juniper.net/JSA10925

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8