CVE-2019-12827

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

12/07/2019

Last modified:

21/07/2021

Description

Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:L/Au:S/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

4.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:digium:asterisk::::::::	13.0.0 (including)	13.27.0 (excluding)
cpe:2.3:a:digium:asterisk::::::::	15.0.0 (including)	15.7.2 (excluding)
cpe:2.3:a:digium:asterisk::::::::	16.0.0 (including)	16.4.0 (excluding)
cpe:2.3:a:digium:certified_asterisk:13.21:cert1::::::
cpe:2.3:a:digium:certified_asterisk:13.21:cert1-rc1::::::
cpe:2.3:a:digium:certified_asterisk:13.21:cert1-rc2::::::
cpe:2.3:a:digium:certified_asterisk:13.21:cert2::::::
cpe:2.3:a:digium:certified_asterisk:13.21:cert3::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2019-12827

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools