Division by zero in Qt - CVE-2018-19872
Published: April 18, 2019
Vulnerability identifier: #VU18316
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2018-19872
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Trolltech
Affected software:
Qt
Qt
Detailed vulnerability description
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.
How to mitigate CVE-2018-19872
Install updates from vendor's website.
Sources
- http://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/
- https://bugreports.qt.io/browse/QTBUG-69449
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2C5FHCR4A636BLTAXL76WWDJLOAHGNYG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FO7IBY7YYKNMRD5OI3JNNUI42WEM7NUV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XS6G3ZDFCHWFQD4CFXWFPHREOHBBDTD7/