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2020-07 Security Bulletin: Junos OS and Junos OS Evolved: RPD crash when processing a specific BGP packet (CVE-2020-1648)

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Article ID: JSA11035 SECURITY_ADVISORIES Last Updated: 08 Jul 2020Version: 2.0
Product Affected:
This issue affects Junos OS 18.2X75, 19.4, 20.1. This issue affects Junos OS Evolved 19.4-EVO, 20.1-EVO.
Problem:

On Juniper Networks Junos OS and Junos OS Evolved devices, processing a specific BGP packet can lead to a routing process daemon (RPD) crash and restart.

This issue can occur even before the BGP session with the peer is established.

Repeated receipt of this specific BGP packet can result in an extended Denial of Service (DoS) condition.

This issue affects:

Juniper Networks Junos OS:

18.2X75 versions starting from 18.2X75-D50.8, 18.2X75-D60 and later versions, prior to 18.2X75-D52.8, 18.2X75-D53, 18.2X75-D60.2, 18.2X75-D65.1, 18.2X75-D70;

19.4 versions 19.4R1 and 19.4R1-S1;

20.1 versions prior to 20.1R1-S2, 20.1R2.

Juniper Networks Junos OS Evolved:

19.4-EVO versions prior to 19.4R2-S2-EVO;

20.1-EVO versions prior to 20.1R2-EVO.

This issue does not affect:

Juniper Networks Junos OS releases prior to 19.4R1.

Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.

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-2020-1648.

Solution:

The following software releases have been updated to resolve this specific issue:

Junos OS: 18.2X75-D52.8, 18.2X75-D53, 18.2X75-D60.2, 18.2X75-D65.1, 18.2X75-D70, 19.4R1-S2, 19.4R2, 20.1R1-S2, 20.1R2, 20.2R1, and all subsequent releases.

Junos OS Evolved: 19.4R2-S2-EVO, 20.1R2-EVO, 20.2R1-EVO and all subsequent releases.

This issue is being tracked as 1502327.

Workaround:

There are no viable workarounds for this issue.

Implementation:
Software releases or updates are available for download at https://www.juniper.net/support/downloads/.
Modification History:
‚Äč2020-07-08: 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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