Medium severity · published Sep 11, 2023
CVE-2023-4104
An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VP
Vpn · Mozilla
before 2.16.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4104
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4104
Exploit
https://bugzilla.mozilla.org/show_bug.cgi?id=1831318
Issue Tracking
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055
Issue Tracking
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110
Issue Tracking
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-39/
Exploit
https://www.openwall.com/lists/oss-security/2023/08/03/1
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