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CVE-2017-12132

Published: 1 August 2017

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.

Priority

Low

CVSS 3 base score: 5.9

Status

Package Release Status
eglibc
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Ignored
(end of ESM support, was needed)
trusty Needed

upstream Needs triage

xenial Does not exist

zesty Does not exist

glibc
Launchpad, Ubuntu, Debian
artful Not vulnerable
(2.26-0ubuntu2)
bionic Not vulnerable
(2.26-0ubuntu2)
cosmic Not vulnerable
(2.26-0ubuntu2)
disco Not vulnerable
(2.26-0ubuntu2)
eoan Not vulnerable
(2.26-0ubuntu2)
focal Not vulnerable
(2.26-0ubuntu2)
groovy Not vulnerable
(2.26-0ubuntu2)
hirsute Not vulnerable
(2.26-0ubuntu2)
impish Not vulnerable
(2.26-0ubuntu2)
jammy Not vulnerable
(2.26-0ubuntu2)
kinetic Not vulnerable
(2.26-0ubuntu2)
precise Does not exist

trusty Does not exist

upstream
Released (2.26)
xenial
Released (2.23-0ubuntu11.3+esm3)
zesty Ignored
(reached end-of-life)
Patches:
upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e14a27723cc3a154d67f3f26e719d08c0ba9ad25 (master)
upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=47db584c74e2bbcf1ba55e62d949c1a738da5e0a (2.25)