Debian DSA-3789-1 : libevent - security update

critical Nessus Plugin ID 97196

Synopsis

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

Description

Several vulnerabilities were discovered in libevent, an asynchronous event notification library. They would lead to Denial Of Service via application crash, or remote code execution.

Solution

Upgrade the libevent packages.

For the stable distribution (jessie), these problems have been fixed in version 2.0.21-stable-2+deb8u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854092

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

https://www.debian.org/security/2017/dsa-3789

Plugin Details

Severity: Critical

ID: 97196

File Name: debian_DSA-3789.nasl

Version: 3.10

Type: local

Agent: unix

Published: 2/16/2017

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libevent, 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: 2/15/2017

Reference Information

CVE: CVE-2016-10195, CVE-2016-10196, CVE-2016-10197

DSA: 3789