Home/CVE/An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user
CVE

CVE-2023-4104

An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user

An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups. This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected. This vulnerability affects Mozilla VPN 2.16.1 < (Linux).

MEDIUM · CVSS 5.5 EPSS 0.00236
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-862Missing Authorization
CWE-862Missing Authorization
▤

Affected Products & Versions

1
mozilla vpn< 2.16.1
⚠

Public Exploits & PoCs

1
pocbugzilla.mozilla.org · show_bug.cgi?id=1831318bugzilla.mozilla.org
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Sep 2023 · 09:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055Issue TrackingPatch
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110Issue TrackingPatch
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2023-39/Vendor Advisory
https://www.openwall.com/lists/oss-security/2023/08/03/1ExploitMailing ListThird Party Advisory
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