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Debian DLA-1586-1 : openssl security update

medium Nessus Plugin ID 119103

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Synopsis

The remote Debian host is missing a security update.

Description

CVE-2018-0735 Samuel Weiser reported a timing vulnerability in the OpenSSL ECDSA signature generation, which might leak information to recover the private key.

CVE-2018-5407 Alejandro Cabrera Aldaya, Billy Brumley, Sohaib ul Hassan, Cesar Pereida Garcia and Nicola Tuveri reported a vulnerability to a timing side channel attack, which might be used to recover the private key.

For Debian 8 'Jessie', these problems have been fixed in version 1.0.1t-1+deb8u10.

We recommend that you upgrade your openssl packages.

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

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html

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

Plugin Details

Severity: Medium

ID: 119103

File Name: debian_DLA-1586.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/23/2018

Updated: 7/19/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2018-0735

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libssl-dev, p-cpe:/a:debian:debian_linux:libcrypto1.0.0-udeb, p-cpe:/a:debian:debian_linux:libssl-doc, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:openssl, p-cpe:/a:debian:debian_linux:libssl1.0.0-dbg, p-cpe:/a:debian:debian_linux:libssl1.0.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/21/2018

Vulnerability Publication Date: 10/29/2018

Reference Information

CVE: CVE-2018-0735, CVE-2018-5407