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
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
Sangoma Asterisk is vulnerable to denial of service. The vulnerability exists because it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP resulting an application crash.
CPE | Name | Operator | Version |
---|---|---|---|
asterisk:stretch | eq | 1:13.14.1~dfsg-2+deb9u4 | |
asterisk:stretch | eq | 1:13.14.1~dfsg-2+deb9u4 |
downloads.asterisk.org/pub/security/AST-2019-008.html
lists.debian.org/debian-lts-announce/2022/04/msg00001.html
packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html
seclists.org/fulldisclosure/2019/Nov/20
security-tracker.debian.org/tracker/CVE-2019-18976
www.asterisk.org/downloads/security-advisories
www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1
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
5 Medium
CVSS2
Access Vector
NETWORK
Access 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