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2019-01 Security Bulletin: Junos OS: EX2300 and EX3400 series: Certain stateless firewall filter rules might not take effect (CVE-2019-0002)

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Article ID: JSA10901 SECURITY_ADVISORIES Last Updated: 09 Jan 2019Version: 3.0
Product Affected:
This issue affects Junos OS 15.1X53, 18.1, 18.2. Affected platforms: EX2300 and EX3400 series.
Problem:
On EX2300 and EX3400 series, stateless firewall filter configuration that uses the action 'policer' in combination with other actions might not take effect.

When this issue occurs, the output of the command:
show pfe filter hw summary
will not show the entry for:
RACL group

Affected releases are Junos OS on EX2300 and EX3400 series:
  • 15.1X53 versions prior to 15.1X53-D590;
  • 18.1 versions prior to 18.1R3;
  • 18.2 versions prior to 18.2R2.
This issue affect both IPv4 and IPv6 firewall filter.

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

This issue was seen during production usage.

This issue has been assigned CVE-2019-0002.
Solution:

The following software releases have been updated to resolve this specific issue: Junos OS 15.1X53-D590, 18.1R3, 18.2R2, 18.3R1, and all subsequent releases.

This issue is being tracked as PR 1364866 which is visible on the Customer Support website.

Note: Juniper SIRT's policy is not to evaluate releases which are beyond End of Engineering (EOE) or End of Life (EOL).

Workaround:
There are no known workarounds for this issue.
Implementation:
Software Releases, patches and updates are available at https://www.juniper.net/support/downloads/.
Modification History:
  • 2019-01-09: Initial Publication.
CVSS Score:
5.8 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N)
Severity Level:
Medium
Severity Assessment:
Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories."

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