2020-04 Security Bulletin: Junos OS: A race condition vulnerability may cause RPD daemon to crash when processing a BGP NOTIFICATION message. (CVE-2020-1629)

Product Affected:

This issue affects Junos OS 16.1, 16.2, 17.1, 17.2, 17.2X75, 17.3, 17.4, 18.1, 18.2, 18.2X75, 18.3, 18.4, 19.1, 19.2.

Problem:

A race condition vulnerability on Juniper Network Junos OS devices may cause the routing protocol daemon (RPD) process to crash and restart while processing a BGP NOTIFICATION message.

This issue affects Juniper Networks Junos OS:

16.1 versions prior to 16.1R7-S6;

16.2 versions prior to 16.2R2-S11;

17.1 versions prior to 17.1R2-S11, 17.1R3-S1;

17.2 versions prior to 17.2R1-S9, 17.2R3-S3;

17.2 version 17.2R2 and later versions;

17.2X75 versions prior to 17.2X75-D105, 17.2X75-D110;

17.3 versions prior to 17.3R2-S5, 17.3R3-S6;

17.4 versions prior to 17.4R2-S7, 17.4R3;

18.1 versions prior to 18.1R3-S8;

18.2 versions prior to 18.2R3-S3;

18.2X75 versions prior to 18.2X75-D410, 18.2X75-D420, 18.2X75-D50, 18.2X75-D60;

18.3 versions prior to 18.3R1-S5, 18.3R2-S2, 18.3R3;

18.4 versions prior to 18.4R2-S2, 18.4R3;

19.1 versions prior to 19.1R1-S2, 19.1R2;

19.2 versions prior to 19.2R1-S4, 19.2R2.

This issue does not affect Juniper Networks Junos OS prior to version 16.1R1.

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-2020-1629.

Solution:

The following software releases have been updated to resolve this specific issue Junos OS: 16.1R7-S6, 16.2R2-S11, 17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R3-S3, 17.2X75-D105, 17.2X75-D110, 17.3R2-S5, 17.3R3-S6, 17.4R2-S7, 17.4R3, 18.1R3-S8, 18.2R3-S3, 18.2X75-D410, 18.2X75-D420, 18.2X75-D50, 18.2X75-D60, 18.3R1-S5, 18.3R2-S2, 18.3R3, 18.4R2-S2, 18.4R3, 19.1R1-S2, 19.1R2, 19.2R1-S4, 19.2R2, 19.3R1, and all subsequent releases.

This issue is being tracked as 1429719.

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:

2020-04-08: Initial publication

CVSS Score:

5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

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."

Knowledge Base