Medium severity · published Nov 10, 2021
CVE-2020-23903
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
5.5
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
34; 35 · source: NVD
SP
Speex · Xiph
1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-23903
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-23903
Exploit
https://github.com/xiph/speex/issues/13
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LXCRAYNW5ESCE2PIGTUXZNZHNYFLJ6PX/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3SEV2ZRR47GSD3M7O5PH4XEJMKJJNG2/
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