#VU10148 Security restrictions bypass in Juniper Junos OS - CVE-2018-0009

Vulnerability identifier: #VU10148

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-0009

CWE-ID: CWE-264

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 attacker to bypass security restrictions on the target system.

The weakness exists due to improper access and privileges controls. A remote attacker can bypass the firewall to access resources on the target network when firewall rules are configured for custom application UUIDs that start with a zero.

Mitigation
The vulnerability is addressed in the following versions: 12.1X46-D71, 12.3X48-D55, 15.1X49-D100, 17.3R1.

Vulnerable software versions

Juniper Junos OS: 12.1r - 12.1, 12.2x50 - 12.2, 12.3R10 - 12.3, 15.1R - 15.1, 15.2

---

External links
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10836

---

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.