Vulnerability identifier: #VU20962
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Asterisk
Server applications /
Frameworks for developing and running applications
Vendor: Sangoma Technologies Corporation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the "main/translate.c". A remote attacker can send a specific RTP packet during a call and cause a crash in a specific scenario.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Asterisk: 13.28.0 - 16.5.0
External links
http://downloads.asterisk.org/pub/security/AST-2019-005.html
http://packetstormsecurity.com/files/154372/Asterisk-Project-Security-Advisory-AST-2019-005.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.