9.8
CRITICAL
CVE-2017-12932
PHP Heap Use After Free in Unserializer-uppercase
Description

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.

INFO

Published Date :

Aug. 18, 2017, 3:29 a.m.

Last Modified :

May 4, 2018, 1:29 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-12932 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Php php
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-12932 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-12932 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 19, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2519 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 04, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:1296 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 14, 2018

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20180112-0001/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 10, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4080 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 26, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201709-21 [No Types Assigned]
  • Initial Analysis by [email protected]

    Aug. 25, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://php.net/ChangeLog-7.php No Types Assigned http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory
    Changed Reference Type https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4 No Types Assigned https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4 Patch, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/100427 No Types Assigned http://www.securityfocus.com/bid/100427 Third Party Advisory, VDB Entry
    Changed Reference Type https://bugs.php.net/bug.php?id=74103 No Types Assigned https://bugs.php.net/bug.php?id=74103 Issue Tracking, Vendor Advisory
    Added CWE CWE-416
    Added CPE Configuration OR *cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.14:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.15:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.16:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.17:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.18:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.19:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.20:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.21:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.0.22:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.7:*:*:*:*:*:*:* *cpe:2.3:a:php:php:7.1.8:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 23, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/100427 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-12932 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-12932 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.01 }} 0.00%

score

0.81458

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability