Integer overflow - CVE-2019-7251

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Main Vulnerability Database Vulnerabilities #VU33398

Integer overflow - CVE-2019-7251

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


Vulnerability identifier: #VU33398
CSH Severity: Medium
CVSS v4: 7.1 [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]
CVE-ID: CVE-2019-7251
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

asterisk (Alpine package)
asterisk
Fedora

How to mitigate CVE-2019-7251

Install update from vendor's website.

asterisk (Alpine package) - update to 15.6.2-r0
asterisk - update to 16.2.1-1.fc29

External References

Related Security Bulletins