National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-8670 Detail

Current Description

Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.

Source:  MITRE
Description Last Modified:  01/04/2017
View Analysis Description

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): Low
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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Hyperlink Resource
http://www.debian.org/security/2016/dsa-3693
http://www.openwall.com/lists/oss-security/2016/10/15/1 Third Party Advisory
http://www.php.net/ChangeLog-5.php Release Notes Vendor Advisory
http://www.php.net/ChangeLog-7.php Release Notes Vendor Advisory
http://www.securityfocus.com/bid/93594
https://bugs.php.net/bug.php?id=73280 Vendor Advisory
https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9 Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-8670
NVD Published Date:
01/04/2017
NVD Last Modified:
11/03/2017