CVE-2017-12932
Published: 18 August 2017
ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
Priority
Status
Package | Release | Status |
---|---|---|
php5 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
php7.0 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Released
(7.0.23)
|
|
xenial |
Released
(7.0.25-0ubuntu0.16.04.1)
|
|
zesty |
Ignored
(end of life)
|
|
Patches: upstream: https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4 |
||
php7.1 Launchpad, Ubuntu, Debian |
trusty |
Does not exist
|
upstream |
Released
(7.1.9)
|
|
artful |
Not vulnerable
(7.1.11-0ubuntu0.17.10.1)
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |