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Debian DSA-3307-1 : pdns-recursor - security update

high Nessus Plugin ID 84650

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Synopsis

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

Description

Toshifumi Sakaguchi discovered that the patch applied to pdns-recursor, a recursive DNS server, fixing CVE-2015-1868, was insufficient in some cases, allowing remote attackers to cause a denial of service (service-affecting CPU spikes and in some cases a crash).

Solution

Upgrade the pdns-recursor packages.

For the stable distribution (jessie), this problem has been fixed in version 3.6.2-2+deb8u2.

See Also

https://security-tracker.debian.org/tracker/CVE-2015-1868

https://packages.debian.org/source/jessie/pdns-recursor

https://www.debian.org/security/2015/dsa-3307

Plugin Details

Severity: High

ID: 84650

File Name: debian_DSA-3307.nasl

Version: 1.6

Type: local

Agent: unix

Published: 7/13/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:pdns-recursor, 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: 7/9/2015

Reference Information

CVE: CVE-2015-5470

BID: 74306

DSA: 3307