Debian DSA-3880-1 : libgcrypt20 - security update

medium Nessus Plugin ID 100774


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


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


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

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, Nessus

Risk Information


Risk Factor: Low

Score: 3.6


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


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:libgcrypt20, 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: 6/14/2017

Reference Information

CVE: CVE-2017-9526

DSA: 3880