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GLSA-202006-01 : GnuTLS: Information disclosure

high Nessus Plugin ID 137288

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-202006-01 (GnuTLS: Information disclosure)

 A flaw was reported in the TLS session ticket key construction in GnuTLS.
 Impact :

 A remote attacker could recover previous conversations in TLS 1.2 and obtain sensitive information or conduct a man-in-the-middle attack to bypass authentication in TLS 1.3.
 Workaround :

 There is no known workaround at this time.

Solution

All GnuTLS user should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-libs/gnutls-3.6.14'

See Also

https://security.gentoo.org/glsa/202006-01

Plugin Details

Severity: High

ID: 137288

File Name: gentoo_GLSA-202006-01.nasl

Version: 1.3

Type: local

Published: 6/10/2020

Updated: 6/12/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2020-13777

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

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

Temporal Vector: CVSS:3.0/E:U/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 Ease: No known exploits are available

Patch Publication Date: 6/9/2020

Vulnerability Publication Date: 6/4/2020

Reference Information

CVE: CVE-2020-13777

GLSA: 202006-01