Vulnerability identifier: #VU11850

Vulnerability risk: Low

CVSSv3.1: 4.5 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0023

CWE-ID: CWE-16

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Juniper Junos OS
Operating systems & Components / Operating system

Vendor: Juniper Networks, Inc.

Description
The vulnerability allows a local unauthenticated attacker to obtain potentially sensitive information and write arbitrary files on the target system.

The weakness exists due to the default configuration and sample files of JSNAPy automation tool are created world writable. A local attacker can alter the files under the directory including inserting operations not intended by the package maintainer, system administrator, or other users.

Mitigation
Update to version 1.3.

Vulnerable software versions

Juniper Junos OS: 1.2 - 1.2.1

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External links
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10856&cat=SIRT_1&actp=LIST

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.