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CVE-2017-11143

Published: 10 July 2017

In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in ext/wddx/wddx.c.

Notes

AuthorNote
mdeslaur
only affected 5.6

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty
Released (5.5.9+dfsg-1ubuntu4.22)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

artful Does not exist

Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=2aae60461c2ff7b7fbcdd194c789ac841d0747d7
upstream: http://git.php.net/?p=php-src.git;a=commit;h=f269cdcd4f76accbecd03884f327cffb9a7f1ca9
php7.0
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist

xenial Not vulnerable
(5.6 only)
yakkety Ignored
(end of life)
zesty Not vulnerable
(5.6 only)
artful Does not exist

php7.1
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

artful Not vulnerable
(5.6 only)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H