HOMEVULNERABILITIESCVE-2019-7443
HIGH

CVE-2019-7443

CWE-20Published: May 7, 2019· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-7443 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Fedora1 product(s)
fedora
kde1 product(s)
kauth
openSUSE2 product(s)
leapbackports
SUSE1 product(s)
linux enterprise
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://bugzilla.suse.com/show_bug.cgi?id=1124863
PATCHhttps://cgit.kde.org/kauth.git/commit/?id=fc70fb0161c1b9144d26389434d34dd135cd3f4a
PATCHhttps://bugzilla.suse.com/show_bug.cgi?id=1124863
PATCHhttps://cgit.kde.org/kauth.git/commit/?id=fc70fb0161c1b9144d26389434d34dd135cd3f4a
ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-02/msg00060.html
ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-02/msg00065.html
ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-02/msg00060.html
ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-02/msg00065.html

All References (12)

→
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00060.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00065.htmlMailing List · Third Party Advisory
→
https://bugzilla.suse.com/show_bug.cgi?id=1124863Issue Tracking · Patch · Third Party Advisory
→
https://cgit.kde.org/kauth.git/commit/?id=fc70fb0161c1b9144d26389434d34dd135cd3f4aPatch · Vendor Advisory
→
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.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00065.htmlMailing List · Third Party Advisory
→
https://bugzilla.suse.com/show_bug.cgi?id=1124863Issue Tracking · Patch · Third Party Advisory
→
https://cgit.kde.org/kauth.git/commit/?id=fc70fb0161c1b9144d26389434d34dd135cd3f4aPatch · Vendor Advisory
→
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/

Quick Facts

CVE IDCVE-2019-7443
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected4 vendor(s)
PublishedMay 7, 2019

Related CVEs (CWE-20)

CVE-2026-0848
10.0
CVE-2026-48281
10.0
CVE-2025-34060
10.0
CVE-2009-1300
10.0
CVE-2026-12537
10.0
CVE-2026-47928
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-7443 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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