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Debian DSA-4231-1 : libgcrypt20 - security update

medium Nessus Plugin ID 110572

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Synopsis

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

Description

It was discovered that Libgcrypt is prone to a local side-channel attack allowing recovery of ECDSA private keys.

Solution

Upgrade the libgcrypt20 packages.

For the stable distribution (stretch), this problem has been fixed in version 1.7.6-2+deb9u3.

See Also

https://security-tracker.debian.org/tracker/source-package/libgcrypt20

https://packages.debian.org/source/stretch/libgcrypt20

https://www.debian.org/security/2018/dsa-4231

Plugin Details

Severity: Medium

ID: 110572

File Name: debian_DSA-4231.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/18/2018

Updated: 11/13/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 1.9

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

CVSS v3

Risk Factor: Medium

Base Score: 4.7

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libgcrypt20, cpe:/o:debian:debian_linux:9.0

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

Patch Publication Date: 6/17/2018

Reference Information

CVE: CVE-2018-0495

DSA: 4231