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CVE-2017-12133

Published: 7 September 2017

Use-after-free vulnerability in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) before 2.26 allows remote attackers to have unspecified impact via vectors related to error path.

Notes

AuthorNote
chrisccoulson
The CVE description doesn't seem to match the description
in the linked bug report and upstream patch
sbeattie
introduced in CVE-2016-4429 fix

Priority

Low

Cvss 3 Severity Score

5.9

Score breakdown

Status

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

hirsute Does not exist

kinetic Does not exist

lunar Does not exist

artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Needed

upstream Needs triage

xenial Does not exist

zesty Does not exist

mantic Does not exist

glibc
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(2.26-0ubuntu2)
hirsute Not vulnerable
(2.26-0ubuntu2)
kinetic Not vulnerable
(2.26-0ubuntu2)
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)
impish Not vulnerable
(2.26-0ubuntu2)
jammy Not vulnerable
(2.26-0ubuntu2)
lunar Not vulnerable
(2.26-0ubuntu2)
trusty Does not exist

upstream Needs triage

xenial
Released (2.23-0ubuntu11.2)
zesty Ignored
(end of life)
mantic Not vulnerable
(2.26-0ubuntu2)
Patches:
upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d42eed4a044e5e10dfb885cf9891c2518a72a491 (master)
upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=045e368799cd253ddbf8bdec42ed92e8ebb3ce67 (2.25)
upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36f173ab3709b4a920a833b9af67f30bcba1ea01 (2.24)

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N