Alpine: dnsmasq: security update to 2.76-r2

critical Tenable Cloud Security Plugin ID 404073

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- Stack-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service
(crash) or execute arbitrary code via a crafted DHCPv6 request. (CVE-2017-14493)

- Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service
(crash) or execute arbitrary code via a crafted DNS response. (CVE-2017-14491)

- Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service
(crash) or execute arbitrary code via a crafted IPv6 router advertisement request. (CVE-2017-14492)

- dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory
information via vectors involving handling DHCPv6 forwarded requests. (CVE-2017-14494)

Plugin Details

Severity: Critical

ID: 404073

Version: Revision 1.25

Type: Local

Family: Alpine Linux Local Security Checks

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2017-14493

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 10/2/2017

Exploitable With

Core Impact

Reference Information

CVE: CVE-2017-14491, CVE-2017-14492, CVE-2017-14493, CVE-2017-14494, CVE-2017-14495, CVE-2017-14496

BID: 101085, 101977

IAVA: 2017-A-0284-S

Detections

Analytics