CVE-2018-20196

Debian Security Advisory 5109-1

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

There is a stack-based buffer overflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because the S_M array is mishandled.

Hay un desbordamiento de búfer basado en pila en la tercera instancia de la función calculate_gain en libfaad/sbr_hfadj.c en Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. Se podría realizar un ataque de denegación de servicio u otro tipo de impacto sin especificar debido a que el array S_M se gestiona de manera incorrecta.

Multiple vulnerabilities have been discovered in the freeware Advanced Audio Decoder, which may result in denial of service or potentially the execution of arbitrary code if malformed media files are processed.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-12-17 CVE Reserved
2018-12-18 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2025-05-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (4)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html	Mailing List

URL	Date	SRC
https://github.com/knik0/faad2/issues/19	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://security.gentoo.org/glsa/202006-17	2022-04-22
https://www.debian.org/security/2022/dsa-5109	2022-04-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Audiocoding Search vendor "Audiocoding"		Freeware Advanced Audio Decoder 2 Search vendor "Audiocoding" for product "Freeware Advanced Audio Decoder 2"				2.8.8 Search vendor "Audiocoding" for product "Freeware Advanced Audio Decoder 2" and version "2.8.8"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		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