Integer overflow - CVE-2019-7251

 

Integer overflow - CVE-2019-7251

Published: March 28, 2019 / Updated: August 4, 2020


Vulnerability identifier: #VU33398
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-7251
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor:
Affected software:

Detailed vulnerability description

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via a specially crafted SDP protocol violation.


How to mitigate CVE-2019-7251

Install update from vendor's website.

Sources