SB2023051690 - Red Hat Enterprise Linux 8 update for libtiff



SB2023051690 - Red Hat Enterprise Linux 8 update for libtiff

Published: May 16, 2023

Security Bulletin ID SB2023051690
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2022-3627)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing TIFF images within the _TIFFmemcpy() function in libtiff/tif_unix.c. A remote attacker can pass a specially crafted TIFF file to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.


2) Integer overflow (CVE-ID: CVE-2022-3970)

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

The vulnerability exists due to integer overflow within the TIFFReadRGBATileExt() function in libtiff/tif_getimage.c. A remote attacker can trick the victim to open a specially crafted TIFF file, trigger an 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.