SB2020093076 - Red Hat Enterprise Linux 7 update for libtiff
Published: September 30, 2020 Updated: May 21, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Integer overflow (CVE-ID: CVE-2019-14973)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attacks.
The vulnerability exists due to integer overflow in the "_TIFFCheckMalloc" and "_TIFFCheckRealloc" functions in the "tif_aux.c" file. A remote attacker can trick a victim to open a specially crafted file that contains crafted TIFF images, trigger integer overflow and crash the target application.
2) Integer overflow (CVE-ID: CVE-2019-17546)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing RGBA images. A remote attacker can create a specially crafted RGBA image, pass it to the affected application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.