#VU82430 Improper input validation in Juniper Junos OS
Vulnerability identifier: #VU82430
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Juniper Junos OS
Operating systems & Components /
Operating system
Vendor: Juniper Networks, Inc.
Description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Problem On EX4300, EX4600, QFX3500, and QFX5100 Series, a vulnerability in the IP firewall filter component may cause the firewall filter evaluation of certain packets to fail. This issue only affects firewall filter evaluation of certain packets destined to the device Routing Engine (RE).
Mitigation
Install updates from vendor's website.
For QFX5100 Series and EX4600 Series:
The following software releases have been updated to resolve this specific issue: 14.1X53-D12 and all subsequent releases.
For QFX3500 Series:
The following software releases have been updated to resolve this specific issue: 14.1X53-D52 and all subsequent releases.
For EX4300 Series:
The following software releases have been updated to resolve this specific issue: 14.1X53-D48, 15.1R7-S3, 16.1R7, 17.1R3, 17.2R3, 17.3R2-S5, 17.3R3, 17.4R2, 18.1R3, 18.2R2, 18.3R1 and all subsequent releases.
Vulnerable software versions
Juniper Junos OS: 17.3 - 17.3R2-S4, 14.1x53 - 14.1X53-D47, 15.1 - 15.1R7-S2, 15.1F - 15.1F7-S2, 18.3, 18.2 - 18.2R1-S5, 18.1 - 18.1R2-S4, 17.4 - 17.4R1-S8, 17.2 - 17.2R2-S8, 17.1 - 17.1R2-S12, 16.1 - 16.1R6-S6
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
