CVE-2019-18790
Sangoma Asterisk SIP Hijacking via Peer IP Address Modification
Description
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.
INFO
Published Date :
Nov. 22, 2019, 5:15 p.m.
Last Modified :
May 13, 2022, 8:56 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.5
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2019-18790
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-18790.
| URL | Resource |
|---|---|
| http://downloads.asterisk.org/pub/security/AST-2019-006.html | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2019/11/msg00038.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html | Mailing List Third Party Advisory |
| https://www.asterisk.org/downloads/security-advisories | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-18790 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-18790 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
May. 13, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 03, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html [No Types Assigned] -
CVE Modified by [email protected]
Sep. 07, 2021
Action Type Old Value New Value Changed Description An issue was discovered in channels/chan_sip.c in Sangoma Asterisk 13.x, 16.x, and 17.x, and Certified Asterisk 13.21, because of an incomplete fix for CVE-2019-18351. 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. 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. -
Initial Analysis by [email protected]
Dec. 04, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Changed Reference Type http://downloads.asterisk.org/pub/security/AST-2019-006.html No Types Assigned http://downloads.asterisk.org/pub/security/AST-2019-006.html Patch, Vendor Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/11/msg00038.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/11/msg00038.html Mailing List, Third Party Advisory Changed Reference Type https://www.asterisk.org/downloads/security-advisories No Types Assigned https://www.asterisk.org/downloads/security-advisories Vendor Advisory Added CWE NIST CWE-862 Added CPE Configuration OR *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (excluding) 13.29.2 *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.6.2 *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 17.0.0 up to (excluding) 17.0.1 *cpe:2.3:a:digium:certified_asterisk:13.21.0:*:*:*:*:*:*:* *cpe:2.3:a:digium:certified_asterisk:13.21.0:cert1:*:*:*:*:*:* *cpe:2.3:a:digium:certified_asterisk:13.21.0:cert2:*:*:*:*:*:* *cpe:2.3:a:digium:certified_asterisk:13.21.0:cert3:*:*:*:*:*:* *cpe:2.3:a:digium:certified_asterisk:13.21.0:cert4:*:*:*:*:*:* *cpe:2.3:a:digium:certified_asterisk:13.21.0:rc1:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 30, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/11/msg00038.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-18790 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-18790
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.73 }} 0.11%
score
0.81303
percentile