CVE-2024-34446 (CVSS 7.5)

Description

Mullvad VPN through 2024.1 on Android does not set a DNS server in the blocking state (after a hard failure to create a tunnel), and thus DNS traffic can leave the device. Data showing that the affected device was the origin of sensitive DNS requests may be observed and logged by operators of unintended DNS servers.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-923 CWE-923

References

Other References

https://github.com/mullvad/mullvadvpn-app/blob/main/CHANGELOG.md https://github.com/mullvad/mullvadvpn-app/commit/0c39306a40f426853d617e20d596942e41091f13 https://github.com/mullvad/mullvadvpn-app/tags https://mullvad.net/en/blog/dns-traffic-can-leak-outside-the-vpn-tunnel-on-android https://news.ycombinator.com/item?id=40247604 https://github.com/mullvad/mullvadvpn-app/blob/main/CHANGELOG.md https://github.com/mullvad/mullvadvpn-app/commit/0c39306a40f426853d617e20d596942e41091f13 https://github.com/mullvad/mullvadvpn-app/tags https://mullvad.net/en/blog/dns-traffic-can-leak-outside-the-vpn-tunnel-on-android https://news.ycombinator.com/item?id=40247604

Frequently Asked Questions

What is CVE-2024-34446? +

Mullvad VPN through 2024.1 on Android does not set a DNS server in the blocking state (after a hard failure to create a tunnel), and thus DNS traffic can leave the device. Data showing that the affected device was the origin of sensitive DNS requests may be observed and logged by operators of unintended DNS servers. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-34446? +

CVE-2024-34446 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-34446? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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