Vulnerability CVE-2019-7443


Published: 2019-05-07

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.

Type:

CWE-20

(Improper Input Validation)

Vendor: KDE
Product: Kauth 
Version: 5.1; 5.0;
Vendor: Opensuse
Product: LEAP 
Version: 42.3; 15.0;
Product: Backports 
Vendor: Fedoraproject
Product: Fedora 
Version: 29; 28;

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 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@lists.fedoraproject.org/message/DAWLQKTUQJOAPXOFWJQAQCA4LVM2P45F/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXVUJNXB6QKGPT6YJPJSG3U2BIR5XK5Y/

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