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CVE-2018-10900

Date: July 26, 2018

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.

Language: C

Severity Score

Related Resources (13)

https://security.gentoo.org/glsa/201808-03
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-10900
https://bugzilla.novell.com/show_bug.cgi?id=1101147
https://security-tracker.debian.org/tracker/CVE-2018-10900
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10900
https://nvd.nist.gov/vuln/detail/CVE-2018-10900
https://pulsesecurity.co.nz/advisories/NM-VPNC-Privesc
https://download.gnome.org/sources/NetworkManager-vpnc/1.2/NetworkManager-vpnc-1.2.6.news
https://lists.debian.org/debian-lts-announce/2018/07/msg00048.html
https://www.exploit-db.com/exploits/45313/
https://www.debian.org/security/2018/dsa-4253
https://gitlab.gnome.org/GNOME/NetworkManager-vpnc/commit/07ac18a32b4
https://www.mend.io/vulnerability-database/CVE-2018-10900

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-77

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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