CVE-2021-32558

2021-07-3014:15:16

Alpine Linux Development Team

security.alpinelinux.org

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.4 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

78.5%

JSON

An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.

OSVersionArchitecturePackageVersionFilename
Alpineedge-mainnoarchasterisk< 18.2.2-r2UNKNOWN
Alpine3.11-mainnoarchasterisk< 16.6.2-r1UNKNOWN
Alpine3.12-mainnoarchasterisk< 16.16.1-r1UNKNOWN
Alpine3.13-mainnoarchasterisk< 18.2.1-r2UNKNOWN
Alpine3.14-mainnoarchasterisk< 18.2.2-r2UNKNOWN
Alpine3.15-mainnoarchasterisk< 18.2.2-r2UNKNOWN
Alpine3.16-mainnoarchasterisk< 18.2.2-r2UNKNOWN
Alpine3.17-mainnoarchasterisk< 18.2.2-r2UNKNOWN
Alpine3.18-mainnoarchasterisk< 18.2.2-r2UNKNOWN
Alpine3.19-mainnoarchasterisk< 18.2.2-r2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	edge-main	noarch	asterisk	< 18.2.2-r2	UNKNOWN
Alpine	3.11-main	noarch	asterisk	< 16.6.2-r1	UNKNOWN
Alpine	3.12-main	noarch	asterisk	< 16.16.1-r1	UNKNOWN
Alpine	3.13-main	noarch	asterisk	< 18.2.1-r2	UNKNOWN
Alpine	3.14-main	noarch	asterisk	< 18.2.2-r2	UNKNOWN
Alpine	3.15-main	noarch	asterisk	< 18.2.2-r2	UNKNOWN
Alpine	3.16-main	noarch	asterisk	< 18.2.2-r2	UNKNOWN
Alpine	3.17-main	noarch	asterisk	< 18.2.2-r2	UNKNOWN
Alpine	3.18-main	noarch	asterisk	< 18.2.2-r2	UNKNOWN
Alpine	3.19-main	noarch	asterisk	< 18.2.2-r2	UNKNOWN