SB2023081605 - Denial of service in Libtiff

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Main Vulnerability Database SB2023081605

SB2023081605 - Denial of service in Libtiff

Published: August 16, 2023

Security Bulletin ID SB2023081605
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2023-2731)

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

The vulnerability exists due to a NULL pointer dereference error within the LZWDecode() function in the libtiff/tif_lzw.c. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


2) Out-of-bounds write (CVE-ID: CVE-2023-30086)

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

The vulnerability exists due to a boundary error within the tiffcp() function in tiffcp.c. A remote attacker can pass specially crafted data to the application to trigger an out-of-bounds write and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References