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Debian DSA-3880-1 : libgcrypt20 - security update

medium Nessus Plugin ID 100774

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Synopsis

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

Description

It was discovered that a side channel attack in the EdDSA session key handling in Libgcrypt may result in information disclosure.

Solution

Upgrade the libgcrypt20 packages.

For the stable distribution (jessie), this problem has been fixed in version 1.6.3-2+deb8u3.

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

See Also

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

https://www.debian.org/security/2017/dsa-3880

Plugin Details

Severity: Medium

ID: 100774

File Name: debian_DSA-3880.nasl

Version: 3.9

Type: local

Agent: unix

Published: 6/14/2017

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, 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: cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:libgcrypt20

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/14/2017

Reference Information

CVE: CVE-2017-9526

DSA: 3880