CVE-2020-23903
speex: divide by zero in read_samples() via crafted WAV file
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A Divide by Zero vulnerability in the function static int read_samples of Speex v1.2 allows attackers to cause a denial of service (DoS) via a crafted WAV file.
Una vulnerabilidad de división por cero en la función static int read_samples de Speex versión v1.2, permite a atacantes causar una denegación de servicio (DoS) por medio de un archivo WAV diseñado
A divide-by-zero flaw was found in speex within the read_samples() at src/speexenc.c function. This flaw allows a malicious user to provide a crafted wav file and crash the speexenc utility, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-08-13 CVE Reserved
- 2021-11-10 CVE Published
- 2024-07-26 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-369: Divide By Zero
CAPEC
References (5)
URL | Tag | Source |
---|
URL | Date | SRC |
---|---|---|
https://github.com/xiph/speex/issues/13 | 2024-08-04 |
URL | Date | SRC |
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Xiph Search vendor "Xiph" | Speex Search vendor "Xiph" for product "Speex" | 1.2 Search vendor "Xiph" for product "Speex" and version "1.2" | - |
Affected
| ||||||
Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
| ||||||
Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
|