CVE-2017-17850
HIGH
7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM
5,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial
Description
AI Translation Available
An issue was discovered in Asterisk 13.18.4 and older, 14.7.4 and older, 15.1.4 and older, and 13.18-cert1 and older. A select set of SIP messages create a dialog in Asterisk. Those SIP messages must contain a contact header. For those messages, if the header was not present and the PJSIP channel driver was used, Asterisk would crash. The severity of this vulnerability is somewhat mitigated if authentication is enabled. If authentication is enabled, a user would have to first be authorized before reaching the crash point.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,6746
Percentile
1,0th
Updated
EPSS Score Trend (Last 90 Days)
20
Improper Input Validation
StableCommon Consequences
Security Scopes Affected:
Availability
Confidentiality
Integrity
Potential Impacts:
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Read Memory
Read Files Or Directories
Modify Memory
Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
Application
Asterisk by Digium
Version Range Affected
From
15.0.0
(inclusive)
To
15.1.4
(inclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Certified Asterisk by Digium
CPE Identifier
View Detailed Analysis
cpe:2.3:a:digium:certified_asterisk:13.8:cert1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Certified Asterisk by Digium
CPE Identifier
View Detailed Analysis
cpe:2.3:a:digium:certified_asterisk:13.1.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Asterisk by Digium
Version Range Affected
From
14.0.0
(inclusive)
To
14.7.4
(inclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Certified Asterisk by Digium
CPE Identifier
View Detailed Analysis
cpe:2.3:a:digium:certified_asterisk:13.1.0:rc2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Certified Asterisk by Digium
CPE Identifier
View Detailed Analysis
cpe:2.3:a:digium:certified_asterisk:13.1.0:rc1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Asterisk by Digium
Version Range Affected
From
13.0.0
(inclusive)
To
13.18.4
(inclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
http://downloads.asterisk.org/pub/security/AST-2017-014.html
https://issues.asterisk.org/jira/browse/ASTERISK-27480
https://security.gentoo.org/glsa/201811-11
http://www.securitytracker.com/id/1040056
http://downloads.asterisk.org/pub/security/AST-2017-014.html
https://issues.asterisk.org/jira/browse/ASTERISK-27480
https://security.gentoo.org/glsa/201811-11
http://www.securitytracker.com/id/1040056