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nvd[email protected]NVD:CVE-2019-18790
HistoryNov 22, 2019 - 5:15 p.m.

CVE-2019-18790

2019-11-2217:15:11
CWE-862
web.nvd.nist.gov
10

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.006

Percentile

79.1%

An issue was discovered in channels/chan_sip.c in Sangoma Asterisk 13.x before 13.29.2, 16.x before 16.6.2, and 17.x before 17.0.1, and Certified Asterisk 13.21 before cert5. A SIP request can be sent to Asterisk that can change a SIP peer’s IP address. A REGISTER does not need to occur, and calls can be hijacked as a result. The only thing that needs to be known is the peer’s name; authentication details such as passwords do not need to be known. This vulnerability is only exploitable when the nat option is set to the default, or auto_force_rport.

Affected configurations

Nvd
Node
digiumasteriskRange13.0.013.29.2
OR
digiumasteriskRange16.0.016.6.2
OR
digiumasteriskRange17.0.017.0.1
OR
digiumcertified_asteriskMatch13.21.0
OR
digiumcertified_asteriskMatch13.21.0cert1
OR
digiumcertified_asteriskMatch13.21.0cert2
OR
digiumcertified_asteriskMatch13.21.0cert3
OR
digiumcertified_asteriskMatch13.21.0cert4
OR
digiumcertified_asteriskMatch13.21.0rc1
Node
debiandebian_linuxMatch8.0
OR
debiandebian_linuxMatch9.0
VendorProductVersionCPE
digiumasterisk*cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digiumcertified_asterisk13.21.0cpe:2.3:a:digium:certified_asterisk:13.21.0:*:*:*:*:*:*:*
digiumcertified_asterisk13.21.0cpe:2.3:a:digium:certified_asterisk:13.21.0:cert1:*:*:*:*:*:*
digiumcertified_asterisk13.21.0cpe:2.3:a:digium:certified_asterisk:13.21.0:cert2:*:*:*:*:*:*
digiumcertified_asterisk13.21.0cpe:2.3:a:digium:certified_asterisk:13.21.0:cert3:*:*:*:*:*:*
digiumcertified_asterisk13.21.0cpe:2.3:a:digium:certified_asterisk:13.21.0:cert4:*:*:*:*:*:*
digiumcertified_asterisk13.21.0cpe:2.3:a:digium:certified_asterisk:13.21.0:rc1:*:*:*:*:*:*
debiandebian_linux8.0cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.006

Percentile

79.1%