Command execution in ISC Dhcp



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1111
CWE-ID CWE-77
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 DHCP
Server applications / Other server solutions

Vendor ISC

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Command injection

EUVDB-ID: #VU12743

Risk: Low

CVSSv4.0: 7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2018-1111

CWE-ID: CWE-77 - Command injection

Exploit availability: Yes

Description

The vulnerability allows a physical attacker to execute arbitrary commands with elevated privileges on the target system.

The weakness exists in the NetworkManager integration script due to command injection. A physical attacker can return specially crafted data via dhcp and execute arbitrary commands with root privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

DHCP: All versions

CPE2.3 External links

https://access.redhat.com/security/vulnerabilities/3442151


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

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.



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