SB20240611220 - Ubuntu update for giflib



SB20240611220 - Ubuntu update for giflib

Published: June 11, 2024

Security Bulletin ID SB20240611220
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) Memory leak (CVE-ID: CVE-2021-40633)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the gif2rgb() function in util/gif2rgb.c. A remote attacker can force the application to leak memory and perform denial of service attack.


2) Heap-based buffer overflow (CVE-ID: CVE-2022-28506)

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

The vulnerability exists due to a boundary error within the DumpScreen2RGB() function in gif2rgb.c. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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


3) Buffer overflow (CVE-ID: CVE-2023-39742)

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

The vulnerability exists due to a boundary error in getarg.c. A remote attacker can pass a specially crafted input to the application, trigger memory corruption and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.