FreeBSD : GnuTLS -- double free, invalid pointer access (fb30db8f-62af-11e9-b0de-001cc0382b2f)

high Nessus Plugin ID 124210

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

The GnuTLS project reports :

- Tavis Ormandy from Google Project Zero found a memory corruption (double free) vulnerability in the certificate verification API. Any client or server application that verifies X.509 certificates with GnuTLS 3.5.8 or later is affected.

- It was found using the TLS fuzzer tools that decoding a malformed TLS1.3 asynchronous message can cause a server crash via an invalid pointer access. The issue affects GnuTLS server applications since 3.6.4.

Solution

Update the affected package.

Plugin Details

Severity: High

ID: 124210

File Name: freebsd_pkg_fb30db8f62af11e9b0de001cc0382b2f.nasl

Version: 1.3

Type: local

Family: FreeBSD Local Security Checks

Published: 4/22/2019

Updated: 5/31/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2019-3836

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:gnutls

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/19/2019

Vulnerability Publication Date: 3/27/2019

Reference Information

CVE: CVE-2019-3829, CVE-2019-3836

Detections

Analytics