FreeBSD : gnupg -- attacker who obtains 4640 bits from the RNG can trivially predict the next 160 bits of output (e1c71d8d-64d9-11e6-b38a-25a46b33f2ed)

medium Nessus Plugin ID 93023

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Werner Koch reports :

There was a bug in the mixing functions of Libgcrypt's random number generator: An attacker who obtains 4640 bits from the RNG can trivially predict the next 160 bits of output. This bug exists since 1998 in all GnuPG and Libgcrypt versions.

Solution

Update the affected packages.

Plugin Details

Severity: Medium

ID: 93023

File Name: freebsd_pkg_e1c71d8d64d911e6b38a25a46b33f2ed.nasl

Version: 2.10

Type: local

Family: FreeBSD Local Security Checks

Published: 8/18/2016

Updated: 1/28/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2016-6313

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:gnupg1, p-cpe:/a:freebsd:freebsd:libgcrypt, p-cpe:/a:freebsd:freebsd:linux-c6-libgcrypt, p-cpe:/a:freebsd:freebsd:linux-c7-libgcrypt

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/18/2016

Vulnerability Publication Date: 8/17/2016

Reference Information

CVE: CVE-2016-6313

Detections

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