Division by zero in Qt - CVE-2018-19872

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Main Vulnerability Database Vulnerabilities #VU18316

Division by zero in Qt - CVE-2018-19872

Published: April 18, 2019


Vulnerability identifier: #VU18316
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-19872
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to division by zero error when processing PPM images. A remote attacker can trick the victim to open a specially crafted image and crash the affected application.

Affected software

Qt
qtbase-opensource-src (Ubuntu package)
qt5-qtbase (Red Hat package)
qt5-qttools (Red Hat package)
qgnomeplatform (Red Hat package)
qt (Red Hat package)
qt
sip (Red Hat package)
qt5-qtserialbus (Red Hat package)
qt5-qtxmlpatterns (Red Hat package)
qt5-qtx11extras (Red Hat package)
qt5-qtwebsockets (Red Hat package)
qt5-qtwebchannel (Red Hat package)
qt5-qtwayland (Red Hat package)
qt5-qttranslations (Red Hat package)
qt5-qtsvg (Red Hat package)
qt5-qtserialport (Red Hat package)
qt5-qtsensors (Red Hat package)
qt5-qtscript (Red Hat package)
qt5-qtquickcontrols2 (Red Hat package)
qt5-qtquickcontrols (Red Hat package)
qt5-qtmultimedia (Red Hat package)
qt5-qtlocation (Red Hat package)
qt5-qtimageformats (Red Hat package)
qt5-qtgraphicaleffects (Red Hat package)
qt5-qtdoc (Red Hat package)
qt5-qtdeclarative (Red Hat package)
qt5-qtconnectivity (Red Hat package)
qt5-qtcanvas3d (Red Hat package)
qt5-qt3d (Red Hat package)
qt5 (Red Hat package)
python-qt5 (Red Hat package)
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for x86_64
Opensuse
Fedora

How to mitigate CVE-2018-19872

Install updates from vendor's website.

Qt - update to 5.11.3
qtbase-opensource-src (Ubuntu package) - addressed in versions 5.5.1+dfsg-16ubuntu7.7, 5.9.5+dfsg-0ubuntu2.5, 5.12.4+dfsg-4ubuntu1.1
qt5-qtbase (Red Hat package) - update to 5.12.5-4.el8
qt5-qttools (Red Hat package) - update to 5.12.5-1.el8
qgnomeplatform (Red Hat package) - update to 0.4-3.el8
qt (Red Hat package) - update to 4.8.7-8.el7
qt - addressed in versions 4.8.7-45.fc28, 4.8.7-45.fc29, 4.8.7-47.fc30
sip (Red Hat package) - update to 4.19.19-1.el8
qt5-qtserialbus (Red Hat package) - update to 5.12.5-1.el8
qt5-qtxmlpatterns (Red Hat package) - update to 5.12.5-1.el8
qt5-qtx11extras (Red Hat package) - update to 5.12.5-1.el8
qt5-qtwebsockets (Red Hat package) - update to 5.12.5-1.el8
qt5-qtwebchannel (Red Hat package) - update to 5.12.5-1.el8
qt5-qtwayland (Red Hat package) - update to 5.12.5-1.el8
qt5-qttranslations (Red Hat package) - update to 5.12.5-1.el8
qt5-qtsvg (Red Hat package) - update to 5.12.5-1.el8
qt5-qtserialport (Red Hat package) - update to 5.12.5-1.el8
qt5-qtsensors (Red Hat package) - update to 5.12.5-1.el8
qt5-qtscript (Red Hat package) - update to 5.12.5-1.el8
qt5-qtquickcontrols2 (Red Hat package) - update to 5.12.5-1.el8
qt5-qtquickcontrols (Red Hat package) - update to 5.12.5-1.el8
qt5-qtmultimedia (Red Hat package) - update to 5.12.5-1.el8
qt5-qtlocation (Red Hat package) - update to 5.12.5-1.el8
qt5-qtimageformats (Red Hat package) - update to 5.12.5-1.el8
qt5-qtgraphicaleffects (Red Hat package) - update to 5.12.5-1.el8
qt5-qtdoc (Red Hat package) - update to 5.12.5-1.el8
qt5-qtdeclarative (Red Hat package) - update to 5.12.5-1.el8
qt5-qtconnectivity (Red Hat package) - update to 5.12.5-1.el8
qt5-qtcanvas3d (Red Hat package) - update to 5.12.5-1.el8
qt5-qt3d (Red Hat package) - update to 5.12.5-2.el8
qt5 (Red Hat package) - update to 5.12.5-3.el8
python-qt5 (Red Hat package) - update to 5.13.1-1.el8

External References

Related Security Bulletins