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CVE-2017-12132

nvd nist
Published: Aug 1, 2017Modified: May 13, 2026

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5.9
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 2.2 / Impact: 3.6
Source: NVD

Description

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.

Affected (1)

Products: Gnu: Glibc
Gnu
1 product
Glibc
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Glibc
Up to 2.25

Related CWEs

CWE-770
Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (8)

Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Technical DescriptionThird Party Advisory
Source: cve@mitre.org
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Technical DescriptionThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory

Timeline

No history available yet.