Fedora 27 update for NetworkManager-vpnc



| Updated: 2025-04-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-10900
CWE-ID CWE-77
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Fedora
Operating systems & Components / Operating system

NetworkManager-vpnc
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Privilege escalation

EUVDB-ID: #VU13999

Risk: Low

CVSSv4.0: 8.5 [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:A/U:Clear]

CVE-ID: CVE-2018-10900

CWE-ID: CWE-77 - Command injection

Exploit availability: Yes

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to a newline character can be used to inject a Password helper parameter into the configuration data passed to vpnc. A local attacker can modify a system connection to execute arbitrary commands as root.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 27

NetworkManager-vpnc: before 1.2.6-1.fc27

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2018-ac02463f82


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



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