Debian DSA-4517-1 : exim4 - security update

critical Nessus Plugin ID 128559

Language:

Synopsis

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

Description

'Zerons' and Qualys discovered that a buffer overflow triggerable in the TLS negotiation code of the Exim mail transport agent could result in the execution of arbitrary code with root privileges.

Solution

Upgrade the exim4 packages.

For the oldstable distribution (stretch), this problem has been fixed in version 4.89-2+deb9u6.

For the stable distribution (buster), this problem has been fixed in version 4.92-8+deb10u2.

Plugin Details

Severity: Critical

ID: 128559

File Name: debian_DSA-4517.nasl

Version: 1.2

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/9/2019

Updated: 12/31/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

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:exim4, cpe:/o:debian:debian_linux:10.0, cpe:/o:debian:debian_linux:9.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/6/2019

Vulnerability Publication Date: 9/6/2019

Reference Information

CVE: CVE-2019-15846

DSA: 4517

Detections

Analytics