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GLSA-202009-01 : GnuTLS: Denial of service

high Nessus Plugin ID 140315

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202009-01 (GnuTLS: Denial of service)

 It was found that GnuTLS didn’t handle “no_renegotiation” alert properly.
 Impact :

 A remote attacker could entice a user to connect to a malicious TLS endpoint using an application linked against GnuTLS, possibly resulting in a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All GnuTLS users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-libs/gnutls-3.6.15'

See Also

https://security.gentoo.org/glsa/202009-01

Plugin Details

Severity: High

ID: 140315

File Name: gentoo_GLSA-202009-01.nasl

Version: 1.4

Type: local

Published: 9/8/2020

Updated: 2/21/2024

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-2020-24659

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: p-cpe:/a:gentoo:linux:gnutls, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/6/2020

Vulnerability Publication Date: 9/4/2020

Reference Information

CVE: CVE-2020-24659

GLSA: 202009-01