Debian DSA-3773-1 : openssl - security update

high Nessus Plugin ID 96842

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Synopsis

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

Description

Several vulnerabilities were discovered in OpenSSL :

- CVE-2016-7056 A local timing attack was discovered against ECDSA P-256.

- CVE-2016-8610 It was discovered that no limit was imposed on alert packets during an SSL handshake.

- CVE-2017-3731 Robert Swiecki discovered that the RC4-MD5 cipher when running on 32 bit systems could be forced into an out-of-bounds read, resulting in denial of service.

Solution

Upgrade the openssl packages.

For the stable distribution (jessie), these problems have been fixed in version 1.0.1t-1+deb8u6.

Plugin Details

Severity: High

ID: 96842

File Name: debian_DSA-3773.nasl

Version: 3.12

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/30/2017

Updated: 1/11/2021

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: 5

Temporal Score: 3.7

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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:openssl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/27/2017

Reference Information

CVE: CVE-2016-7056, CVE-2016-8610, CVE-2017-3731

DSA: 3773

Detections

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