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Debian DSA-3960-1 : gnupg - security update

medium Nessus Plugin ID 102927

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Synopsis

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

Description

Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot Bruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal and Yuval Yarom discovered that GnuPG is prone to a local side-channel attack allowing full key recovery for RSA-1024.

See https://eprint.iacr.org/2017/627 for details.

Solution

Upgrade the gnupg packages.

For the oldstable distribution (jessie), this problem has been fixed in version 1.4.18-7+deb8u4.

See Also

https://eprint.iacr.org/2017/627

https://packages.debian.org/source/jessie/gnupg

https://www.debian.org/security/2017/dsa-3960

Plugin Details

Severity: Medium

ID: 102927

File Name: debian_DSA-3960.nasl

Version: 3.4

Type: local

Agent: unix

Published: 9/5/2017

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.3

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

CVSS v3

Risk Factor: Medium

Base Score: 6.8

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:gnupg, cpe:/o:debian:debian_linux:8.0

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

Patch Publication Date: 9/1/2017

Reference Information

CVE: CVE-2017-7526

DSA: 3960