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Improper Input Validation Affecting kauth package, versions <5.54.0-2

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
2.35% (83rd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-KAUTH-336773
  • published11 Feb 2019
  • disclosed7 May 2019
Report a new vulnerability Found a mistake?

Introduced: 11 Feb 2019

CVE-2019-7443  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:unstable kauth to version 5.54.0-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kauth package and not the kauth package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

References