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2020-04 Security Bulletin: Junos OS: High-End SRX Series: Multicast traffic might cause all FPCs to reset. (CVE-2020-1634)

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Article ID: JSA11014 SECURITY_ADVISORIES Last Updated: 08 Apr 2020Version: 2.0
Product Affected:
This issue affects Junos OS 12.3X48. Affected platforms: High-End SRX Series.
Problem:

On High-End SRX Series devices, in specific configurations and when specific networking events or operator actions occur, an SPC receiving genuine multicast traffic may core. Subsequently, all FPCs in a chassis may reset causing a Denial of Service.

This issue affects both IPv4 and IPv6.

This issue affects:

Juniper Networks Junos OS

12.3X48 version 12.3X48-D80 and later versions prior to 12.3X48-D95 on High-End SRX Series.

This issue does not affect Branch SRX Series devices.

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-2020-1634.

Solution:

The following software releases have been updated to resolve this specific issue: 12.3X48-D95, and all subsequent releases.

This issue is being tracked as 1465944.

Workaround:
There are no viable workarounds for this issue.
Implementation:
Software release Service Packages are available at http://support.juniper.net from the "Download Software" links.
Modification History:
‚Äč2020-04-08: Initial publication
CVSS Score:
7.5 (CVSS:3.1/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."

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