Vulnerability identifier: #VU49546
Vulnerability risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-78
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 user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in install package validation subsystem. A local user can abuse the request system software add validate-on-host
CLI command and execute arbitrary OS commands with root privileges.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Juniper Junos OS: 20.4, 20.3 - 20.3R1-S2, 18.4 - 18.4R3-S5, 18.4R1-S5, 18.4R2-S3, 18.2 - 18.2R3-S8, 18.3 - 18.3R3-S3, 18.3R2-S3, 18.3R3-S1, 18.2X75-D5 - 18.2X75-D33, 19.4 - 19.4R3, 19.4R1 - 19.4R1-S4, 19.3 - 19.3R3, 19.3R1-S1, 19.3R2 - 19.3R2-S7, 20.2 - 20.2R1-S3, 19.2 - 19.2R3, 19.2R1-S4, 19.1 - 19.1R3-S2, 19.1R1-S4, 17.4 - 17.4R3-S2, 17.4R2-S9, 17.3 - 17.3R3-S9, 18.1 - 18.1R3-S10, 20.1 - 20.1R1-S4
External links
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA11109&cat=SIRT_1&actp=LIST
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.