Debian DSA-3682-1 : c-ares - security update

critical Nessus Plugin ID 93836

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Synopsis

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

Description

Gzob Qq discovered that the query-building functions in c-ares, an asynchronous DNS request library would not correctly process crafted query names, resulting in a heap buffer overflow and potentially leading to arbitrary code execution.

Solution

Upgrade the c-ares packages.

For the stable distribution (jessie), this problem has been fixed in version 1.10.0-2+deb8u1.

Plugin Details

Severity: Critical

ID: 93836

File Name: debian_DSA-3682.nasl

Version: 2.9

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 10/4/2016

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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: cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:c-ares

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2016

Reference Information

CVE: CVE-2016-5180

DSA: 3682

Detections

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