Vulnerability Details : CVE-2019-13161

An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chan_sip while handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to an outgoing T.38 re-invite. To exploit this vulnerability an attacker must cause the chan_sip module to send a T.38 re-invite request to them. Upon receipt, the attacker must send an SDP answer containing both a T.38 UDPTL stream and another media stream containing only a codec (which is not permitted according to the chan_sip configuration).
Published 2019-07-12 20:15:11
Updated 2022-06-01 19:58:14
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2019-13161

Threat overview for CVE-2019-13161

Top countries where our scanners detected CVE-2019-13161
Top open port discovered on systems with this issue 8088
IPs affected by CVE-2019-13161 14,889
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-13161!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-13161

EPSS FAQ
4.19%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-13161

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
 LOW AV:N/AC:M/Au:S/C:N/I:N/A:P
6.8
2.9
 NIST
5.3
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
1.6
3.6
 NIST

CWE ids for CVE-2019-13161

References for CVE-2019-13161

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