CVE-2017-12933 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current 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.
Source:
MITRE
Description Last Modified:
08/17/2017
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
08/17/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
9.8 CRITICAL
Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
7.5 HIGH
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
10.0
Access Vector (AV):
Network
Access Complexity (AC):
Insufficient_Info
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
6 change records found
- show changes
CVE Modified by MITRE -
5/3/2018 9:29:03 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2018:1296 [No Types Assigned] |
CVE Modified by MITRE -
3/15/2018 9:29:04 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://usn.ubuntu.com/3566-1/ [No Types Assigned] |
CVE Modified by MITRE -
1/9/2018 9:29:32 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://www.debian.org/security/2018/dsa-4080 [No Types Assigned] |
| Added |
Reference |
|
https://www.debian.org/security/2018/dsa-4081 [No Types Assigned] |
Reanalysis -
9/19/2017 1:30:39 PM
| Action |
Type |
Old Value |
New Value |
| Changed |
CPE Configuration |
Record truncated, showing 500 of 1305 characters.
View Entire Change Record
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:*:*:*:*:*:* |
Record truncated, showing 500 of 1305 characters.
View Entire Change Record
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:*:*:*:*:*:* |
Initial Analysis -
8/25/2017 11:17:51 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
Record truncated, showing 500 of 1305 characters.
View Entire Change Record
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:*:*:*:*:*:* |
| 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 |
| Added |
CWE |
|
CWE-119 |
| Changed |
Reference Type |
http://php.net/ChangeLog-5.php No Types Assigned |
http://php.net/ChangeLog-5.php Release Notes, 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 |
https://bugs.php.net/bug.php?id=74111 No Types Assigned |
https://bugs.php.net/bug.php?id=74111 Vendor Advisory |
CVE Modified by MITRE -
8/22/2017 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/99490 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2017-12933
NVD Published Date:
08/17/2017
NVD Last Modified:
05/03/2018
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