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Linux Distros Unpatched Vulnerability : CVE-2017-12132

medium Nessus Plugin ID 220176

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation. (CVE-2017-12132)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2017-12132

https://ubuntu.com/security/CVE-2017-12132

Plugin Details

Severity: Medium

ID: 220176

File Name: unpatched_CVE_2017_12132.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 8/10/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2017-12132

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:glibc, cpe:/o:redhat:enterprise_linux:5, p-cpe:/a:centos:centos:compat-glibc, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:compat-glibc, p-cpe:/a:redhat:enterprise_linux:glibc, p-cpe:/a:canonical:ubuntu_linux:eglibc

Required KB Items: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 8/1/2017

Reference Information

CVE: CVE-2017-12132