CVE-2017-12933
PHP Unserialize Buffer Over-Read Vulnerability in Var Unserializer
Description
The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. 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 :
Oct. 3, 2019, 12:03 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-12933.
| URL | Resource |
|---|---|
| http://php.net/ChangeLog-5.php | Release Notes Vendor Advisory |
| http://php.net/ChangeLog-7.php | Release Notes Vendor Advisory |
| http://www.securityfocus.com/bid/99490 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2018:1296 | |
| https://bugs.php.net/bug.php?id=74111 | Vendor Advisory |
| https://usn.ubuntu.com/3566-1/ | |
| https://usn.ubuntu.com/3566-2/ | |
| https://www.debian.org/security/2018/dsa-4080 | |
| https://www.debian.org/security/2018/dsa-4081 |
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-2017-12933 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-12933 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 -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-119 CWE-125 -
CVE Modified by [email protected]
May. 22, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3566-2/ [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]
Mar. 16, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3566-1/ [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-4081 [No Types Assigned] Added Reference https://www.debian.org/security/2018/dsa-4080 [No Types Assigned] -
Reanalysis by [email protected]
Sep. 19, 2017
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:php:php:5.6.31:*:*:*:*:*:*:* (and previous) *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:7.1.0:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* OR *cpe:2.3:a:php:php:5.6.30:*:*:*:*:*:*:* (and previous) *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:7.1.0:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* -
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 https://bugs.php.net/bug.php?id=74111 No Types Assigned https://bugs.php.net/bug.php?id=74111 Vendor Advisory 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 http://www.securityfocus.com/bid/99490 No Types Assigned http://www.securityfocus.com/bid/99490 Third Party Advisory, VDB Entry Changed Reference Type http://php.net/ChangeLog-5.php No Types Assigned http://php.net/ChangeLog-5.php Release Notes, Vendor Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:php:php:5.6.31:*:*:*:*:*:*:* (and previous) *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:7.1.0:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 23, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/99490 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-12933 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-2017-12933
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.06 }} -0.00%
score
0.81882
percentile