SB2021111018 - Multiple vulnerabilities in Speex

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Main Vulnerability Database SB2021111018

SB2021111018 - Multiple vulnerabilities in Speex

Published: November 10, 2021 Updated: November 15, 2022

Security Bulletin ID SB2021111018
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Division by zero (CVE-ID: CVE-2020-23903)

CWE-ID: CWE-369 - Divide By Zero

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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

The vulnerability exists due to a division by zero error when handling .wav files. A remote attacker can trick the victim into opening a specially crafted .wav file and crash the application.


2) Input validation error (CVE-ID: CVE-2020-23904)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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

The vulnerability exists due to insufficient validation of .wav file in speexenc.c. A remote attacker can cause a denial of service (DoS) via a crafted WAV file.


Remediation

Install update from vendor's website.

References