CVE-2021-0561

flac: out of bound write in append_to_verify_fifo_interleaved_ of stream_encoder.c

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174302683

En la función append_to_verify_fifo_interleaved_ del archivo stream_encoder.c, se presenta una posible escritura fuera de límites debido a una falta de comprobación de límites. Esto podría conllevar a una divulgación de información local sin ser necesarios privilegios de ejecución adicionales. No es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-11, ID de Android: A-174302683

An out-of-bounds write vulnerability was found in libFlak. The vulnerability occurs due to a missing bounds check. This flaw allows a local attacker without additional execution privileges to cause local information disclosure.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-11-06 CVE Reserved
2021-06-22 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (7)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2022/03/msg00022.html	Mailing List
https://lists.debian.org/debian-lts-announce/2022/09/msg00003.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://source.android.com/security/bulletin/pixel/2021-06-01	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWXBVMPPSL377I7YM55ZYXVKVMYOKES2	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q4Y7BW35TGNFYBYBSBDSGLUJHHTYEUSG	2023-11-07
https://access.redhat.com/security/cve/CVE-2021-0561	2022-11-15
https://bugzilla.redhat.com/show_bug.cgi?id=2057776	2022-11-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Android Search vendor "Google" for product "Android"				11.0 Search vendor "Google" for product "Android" and version "11.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected