Debian DLA-1840-1 : golang-go.crypto security update

medium Nessus Plugin ID 126349

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Synopsis

The remote Debian host is missing a security update.

Description

A flaw was found in the amd64 implementation of salsa20. If more than 256 GiB of keystream is generated, or if the counter otherwise grows greater than 32 bits, the amd64 implementation will first generate incorrect output, and then cycle back to previously generated keystream.

For Debian 8 'Jessie', this problem has been fixed in version 0.0~hg190-1+deb8u1.

obfs4proxy has been rebuilt as version 0.0.3-2+deb8u1.

We recommend that you upgrade your golang-golang-x-crypto-dev and obfs4proxy packages, and rebuild any software using golang-golang-x-crypto-dev.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected golang-go.crypto-dev package.

Plugin Details

Severity: Medium

ID: 126349

File Name: debian_DLA-1840.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 7/1/2019

Updated: 1/11/2021

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:golang-go.crypto-dev, cpe:/o:debian:debian_linux:8.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/30/2019

Vulnerability Publication Date: 5/9/2019

Reference Information

CVE: CVE-2019-11840

Detections

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