#VU11845 Man-in-the-middle attack in Northstar Controller - CVE-2017-1000385

Vulnerability identifier: #VU11845

Vulnerability risk: Low

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2017-1000385

CWE-ID: CWE-300

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Northstar Controller
Server applications / Other server solutions

Vendor: Juniper Networks, Inc.

Description
The vulnerability allows a remote attacker to conduct man-in-the-middle attack on the target system.

The weakness exists due to performing RSA decryption and signing operations with the private key of a TLS server. A remote attacker can gain access to potentially sensitive information.

Mitigation
Update to versions 3.0.1, 3.2.1, 4.0.0 or later.

Vulnerable software versions

Northstar Controller: 3.0 - 3.2

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External links
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10850&cat=SIRT_1&actp=LIST

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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. However, a fully functional exploit for this vulnerability is available.