What’s Vulnerable › Vulnerabilities
CVE-2019-7443
- Severity: high (CVSS 8.1 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2019-05-07 · updated 2026-06-17
- Weakness: CWE-20
Description
KDE KAuth before 5.55 allows the passing of parameters with arbitrary types to helpers running as root over DBus via DBusHelperProxy.cpp. Certain types can cause crashes, and trigger the decoding of arbitrary images with dynamically loaded plugins. In other words, KAuth unintentionally causes this plugin code to run as root, which increases the severity of any possible exploitation of a plugin vulnerability.
Affected products
- Fedoraproject Fedora: 28, 29
- KDE Kauth: before 5.55.0 — fixed in 5.55.0
- openSUSE Backports: all versions
- openSUSE Leap: 15.0, 42.3
How to fix
Upgrade to a fixed version: KDE Kauth 5.55.0. Check the vendor advisory for mitigations.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00065.html
- https://bugzilla.suse.com/show_bug.cgi?id=1124863
- https://cgit.kde.org/kauth.git/commit/?id=fc70fb0161c1b9144d26389434d34dd135cd3f4a
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAWLQKTUQJOAPXOFWJQAQCA4LVM2P45F/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXVUJNXB6QKGPT6YJPJSG3U2BIR5XK5Y/
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00065.html
- https://bugzilla.suse.com/show_bug.cgi?id=1124863
- https://cgit.kde.org/kauth.git/commit/?id=fc70fb0161c1b9144d26389434d34dd135cd3f4a
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAWLQKTUQJOAPXOFWJQAQCA4LVM2P45F/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXVUJNXB6QKGPT6YJPJSG3U2BIR5XK5Y/
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