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CVE-2016-6252

Published: 17 February 2017

Integer overflow in shadow 4.2.1 allows local users to gain privileges via crafted input to newuidmap.

Notes

AuthorNote
leosilva
shadow version for precise-esm and vivid/ubuntu-core doesn't use
newuidmap binaries neither does any privileged access that makes
this fix necessary.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
shadow
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty
Released (1:4.1.5.1-1ubuntu9.4)
upstream Needs triage

wily Ignored
(end of life)
xenial
Released (1:4.2-3.1ubuntu5.2)
yakkety
Released (1:4.2-3.2ubuntu1.16.10.1)
zesty
Released (1:4.2-3.2ubuntu1.17.04.1)
Patches:
vendor: https://bugzilla.suse.com/attachment.cgi?id=684679&action=diff
upstream: https://github.com/shadow-maint/shadow/commit/1d5a926cc2d6078d23a96222b1ef3e558724dad1

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H