#VU7530 Buffer overflow in Juniper Junos OS - CVE-2017-10602

Vulnerability identifier: #VU7530

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-10602

CWE-ID: CWE-120

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 attacker to gain elevated privileges on the target system.

The weakness exists due to buffer overflow in the command line interface (CLI). A local attacker with read only privileges can trigger memory corruption and execute arbitrary code with root privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
The vulnerability is addressed in the following versions:
14.2R6, 15.1F5, 15.1F6, 15.1R3, 15.1X49-D40, 15.1X53-D47, 15.1X53-D70, 16.1R1.

Vulnerable software versions

Juniper Junos OS: 14.1x53, 14.2, 15.1X49 - 15.1

---

External links
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10803

---

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.