Support Support Downloads Knowledge Base Case Manager My Juniper Community

Knowledge Base

Search our Knowledge Base sites to find answers to your questions.

Ask All Knowledge Base Sites All Knowledge Base Sites JunosE Defect (KA)Knowledge BaseSecurity AdvisoriesTechnical BulletinsTechnotes Sign in to display secure content and recently viewed articles

2018-07 Security Bulletin: Junos OS: Junos OS: MPC7/8/9, PTX-FPC3 (FPC-P1, FPC-P2), PTX3K-FPC3 and PTX1K: Line card may crash upon receipt of specific MPLS packet (CVE-2018-0030)

0

0

Article ID: JSA10864 SECURITY_ADVISORIES Last Updated: 13 Jul 2018Version: 2.0
Product Affected:
This issue affects Junos OS platforms with MPC7/8/9, PTX-FPC3 (FPC-P1, FPC-P2) or PTX3K-FPC3 installed and PTX1K 15.1, 15.1F, 16.1, 16.1X65, 16.2, 17.1, 17.2, 17.2X75, 17.3, 17.4.
Problem:
Receipt of a specific MPLS packet may cause MPC7/8/9, PTX-FPC3 (FPC-P1, FPC-P2), PTX3K-FPC3 line cards or PTX1K to crash and restart.
By continuously sending specific MPLS packets, an attacker can repeatedly crash the line cards or PTX1K causing a sustained Denial of Service.
Affected releases are Juniper Networks Junos OS with MPC7/8/9, PTX-FPC3 (FPC-P1, FPC-P2) or PTX3K-FPC3 installed and PTX1K:
15.1F versions prior to 15.1F6-S10;
15.1 versions prior to 15.1R4-S9, 15.1R6-S6, 15.1R7;
16.1 versions prior to 16.1R3-S8, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7;
16.1X65 versions prior to 16.1X65-D46;
16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3;
17.1 versions prior to 17.1R1-S7, 17.1R2-S7, 17.1R3;
17.2 versions prior to 17.2R1-S4, 17.2R2-S4, 17.2R3;
17.2X75 versions prior to 17.2X75-D70, 17.2X75-D90;
17.3 versions prior to 17.3R1-S4, 17.3R2,
17.4 versions prior to 17.4R1-S2, 17.4R2.
Refer to KB25385 for more information about PFE line cards.
This issue only affects device with MPLS configured.
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-2018-0030.
Solution:
The following software releases have been updated to resolve this specific issue: 12.1X46-D77, 12.3X48-D70, 14.1X53-D47, 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1X49-D140, 15.1X53-D471, 15.1X53-D59, 15.1X53-D67, 16.1R3-S8, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7, 16.1X65-D46, 16.2R1-S6, 16.2R2-S5, 16.2R3, 17.1R1-S7, 17.1R2-S7, 17.1R3, 17.2R1-S4, 17.2R2-S4, 17.2R3, 17.2X75-D70, 17.3R1-S4, 17.3R2, 17.4R1-S2, 17.4R2, 18.1R1, 18.1X75-D10 and all subsequent releases.
This fix has been proactively committed into other releases that might not support these specific line card.
This issue is being tracked as PR 1323069 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:
No available workaround exists for this issue.
Implementation:
Software Releases, patches and updates are available at https://www.juniper.net/support/downloads/.
Modification History:
2018-07-11: Initial Publication.
2018-07-13: PTX3K-FPC3 added.
CVSS Score:
7.5 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Severity Level:
High
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."

Related Links

Comment on this article > Affected Products Browse the Knowledge Base for more articles related to these product categories. Select a category to begin.

Getting Up and Running with Junos

Getting Up and Running with Junos Security Alerts and Vulnerabilities Product Alerts and Software Release Notices Problem Report (PR) Search Tool EOL Notices and Bulletins JTAC User Guide Customer Care User Guide Pathfinder SRX High Availability Configurator SRX VPN Configurator Training Courses and Videos End User Licence Agreement Global Search