SB2023070815 - openEuler update for libtiff 



SB2023070815 - openEuler update for libtiff

Published: July 8, 2023

Security Bulletin ID SB2023070815
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2023-25433)

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

The vulnerability exists due to a boundary error when processing TIFF images within the rotateImage()  function in /libtiff/tools/tiffcrop.c. A remote attacker can pass a specially crafted image to the application, trigger memory corruption and perform a denial of service (DoS) attack.


2) Buffer overflow (CVE-ID: CVE-2023-26966)

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

The vulnerability exists due to a boundary error within the uv_encode() function. A remote attacker can pass a specially crafted TIFF file to the application, trigger memory corruption and execute arbitrary code on the target system.

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


3) NULL pointer dereference (CVE-ID: CVE-2023-2908)

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

The vulnerability exists due to a NULL pointer dereference error in tif_dir.c. A remote attacker can pass a specially crafted TIFF file to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.