RCE in GNOME Network Manager Vpnc
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.039 (90.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.051 · newest: 0.039 · change: -0.011
Affected products
- GNOME Network Manager Vpnc
- [Unknown] Networkmanager-Vpnc — versions NetworkManager-vpnc 1.2.6
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2018/dsa-4253 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201808-03 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/07/msg00048.html (mailing-list, Third Party Advisory)
- www.exploit-db.com/exploits/45313/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- pulsesecurity.co.nz/advisories/NM-VPNC-Privesc (Exploit, Third Party Advisory)
- gitlab.gnome.org/GNOME/NetworkManager-vpnc/commit/07ac18a32b4 (Patch, Third Party Advisory, Vendor Advisory)
- bugzilla.novell.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- download.gnome.org/sources/NetworkManager-vpnc/1.2/NetworkManager-vpnc-1.2.6.ne… (Third Party Advisory, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2018-10900?
- CVE-2018-10900 is a high-severity vulnerability in GNOME Network Manager Vpnc, classified under OS Command Injection. CVSS score: 7.8/10. Published 2018-07-26.
- How severe is CVE-2018-10900?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-10900 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.