Memory leak in Juniper Junos OS - CVE-2021-0215

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Main Vulnerability Database Vulnerabilities #VU49549

Memory leak in Juniper Junos OS - CVE-2021-0215

Published: January 14, 2021


Vulnerability identifier: #VU49549
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-0215
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in packet forwarding engine due to 802.1X authenticator port interface flaps. A remote attacker can force the application to leak memory and perform denial of service attack.


Remediation

Install updates from vendor's website.

This issue affects Juniper Networks Junos OS:

14.1X53 versions prior to 14.1X53-D54;

15.1X49 versions prior to 15.1X49-D240 ;

15.1X53 versions prior to 15.1X53-D593;

16.1 versions prior to 16.1R7-S8;

17.2 versions prior to 17.2R3-S4;

17.3 versions prior to 17.3R3-S8;

17.4 versions prior to 17.4R2-S11, 17.4R3-S2;

18.1 versions prior to 18.1R3-S10 ;

18.2 versions prior to 18.2R2-S7, 18.2R3-S3;

18.3 versions prior to 18.3R2-S4, 18.3R3-S2;

18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2;

19.1 versions prior to 19.1R1-S5, 19.1R2-S2, 19.1R3;

19.2 versions prior to 19.2R1-S5, 19.2R2;

19.3 versions prior to 19.3R2-S3, 19.3R3;

19.4 versions prior to 19.4R1-S2, 19.4R2.

This issue does not affect Juniper Networks Junos OS 12.3, 15.1.

External links