#VU18106 Buffer overflow in GnuTLS - CVE-2019-3836

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Main Vulnerability Database Vulnerabilities #VU18106

#VU18106 Buffer overflow in GnuTLS - CVE-2019-3836

Published: April 1, 2019


Vulnerability identifier: #VU18106
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-3836
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
GnuTLS
Software vendor:
GnuTLS

Description

The vulnerability allows a remote attacker to perform denial of service attack.

The vulnerability exists due to uninitialized pointer access when processing TLS1.3 asynchronous messages. A remote attacker can pass specially crafted asynchronous post-handshake message, trigger memory corruption and perform denial of service attack.


Remediation

Install updates from vendor's website.

External links