CVE-2018-10900

Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.

Affected

[UNKNOWN] · networkmanager-vpnc

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 REDHAT

8.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

3.92% chance of exploitation in the next 30 days, 90th percentile

Published

2018-07-26

Updated

2024-08-05

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/network_manager_vpnc…

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/45313

Security advisories

• https://download.gnome.org/sources/NetworkManager-vpnc/1.2/NetworkManager-vpnc-1.2.6.news
• https://gitlab.gnome.org/GNOME/NetworkManager-vpnc/commit/07ac18a32b4
• https://bugzilla.novell.com/show_bug.cgi?id=1101147
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10900
• https://lists.debian.org/debian-lts-announce/2018/07/msg00048.html
• https://pulsesecurity.co.nz/advisories/NM-VPNC-Privesc
• https://security.gentoo.org/glsa/201808-03
• https://www.debian.org/security/2018/dsa-4253

References

• CVE Record
• NVD entry