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Ubuntu 18.04 LTS : Libgcrypt vulnerability (USN-4236-1)

medium Nessus Plugin ID 132930

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Synopsis

The remote Ubuntu host is missing a security update.

Description

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.

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

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-4236-1

Plugin Details

Severity: Medium

ID: 132930

File Name: ubuntu_USN-4236-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 1/15/2020

Updated: 10/20/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2019-13627

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.5

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libgcrypt20, p-cpe:/a:canonical:ubuntu_linux:libgcrypt20-dev, p-cpe:/a:canonical:ubuntu_linux:libgcrypt20-udeb, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libgcrypt-mingw-w64-dev, p-cpe:/a:canonical:ubuntu_linux:libgcrypt11-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/13/2020

Vulnerability Publication Date: 9/25/2019

Reference Information

CVE: CVE-2019-13627

USN: 4236-1