Bug 2024250 (CVE-2020-23903)

Summary:	CVE-2020-23903 speex: divide by zero in read_samples() via crafted WAV file
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ajax, caillon+fedoraproject, gnome-sig, manisandro, mclasen, rh-spice-bugs, rhughes, rstrode, sandmann, tkorbar, valtri
Target Milestone:	---	Keywords:	Security
Target Release:	---	Flags:	mulliken: needinfo?
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	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.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-05 06:22:30 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2024251, 2024252, 2026249, 2026250, 2026251
Bug Blocks:	2024256

Description Guilherme de Almeida Suckevicz 2021-11-17 16:56:56 UTC

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.

Reference:
https://github.com/xiph/speex/issues/13

Comment 1 Guilherme de Almeida Suckevicz 2021-11-17 16:57:44 UTC

Created mingw-speex tracking bugs for this issue:

Affects: fedora-all [bug 2024251]


Created speex tracking bugs for this issue:

Affects: fedora-all [bug 2024252]

Comment 7 errata-xmlrpc 2022-11-15 09:52:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:7979 https://access.redhat.com/errata/RHSA-2022:7979

Comment 8 Product Security DevOps Team 2022-12-05 06:22:28 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-23903