SB2020050418 - Red Hat update for qt5 

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Main Vulnerability Database SB2020050418

SB2020050418 - Red Hat update for qt5

Published: May 4, 2020

Security Bulletin ID SB2020050418
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2018-19869)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing SVG images within the qsvghandler.cpp file in Qt. A remote attacker can create a specially crafted image, pass it to he application that uses Qt library for SVG processing, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Resource exhaustion (CVE-ID: CVE-2018-19871)

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

The vulnerability exists due to application does not properly control consumption of internal resources within QTgaFile in Qt. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


3) Division by zero (CVE-ID: CVE-2018-19872)

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.

Remediation

Install update from vendor's website.

References