NVD - CVE-2016-5766

CVE-2016-5766 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.

Description

Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via crafted chunk dimensions in an image.

Source: MITRE
Description Last Modified: 08/07/2016

Evaluator Description

CWE-122

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.8

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
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://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac?w=1	Exploit Patch
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
http://php.net/ChangeLog-5.php	Release Notes
http://php.net/ChangeLog-7.php	Release Notes
http://rhn.redhat.com/errata/RHSA-2016-2598.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.debian.org/security/2016/dsa-3619	Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/23/4	Release Notes
http://www.ubuntu.com/usn/USN-3030-1
https://bugs.php.net/bug.php?id=72339	Exploit Patch Vendor Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
https://libgd.github.io/release-2.2.3.html	Release Notes
https://security.gentoo.org/glsa/201612-09

Technical Details

Vulnerability Type (View All)

Integer Overflow or Wraparound (CWE-190)

Vulnerable software and versions Switch to CPE 2.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

9 change records found - show changes

Modified Analysis - 8/22/2016 1:10:08 PM

Action	Type	Old Value	New Value
Changed	CPE Configuration	Record truncated, showing 500 of 2298 characters. View Entire Change Record Configuration 1 AND OR cpe:2.3:a:libgd:libgd:2.2.2::::::: OR cpe:2.3:a:php:php:5.6.0:alpha1:::::: cpe:2.3:a:php:php:5.6.0:alpha2:::::: cpe:2.3:a:php:php:5.6.0:alpha3:::::: cpe:2.3:a:php:php:5.6.0:alpha4:::::: cpe:2.3:a:php:php:5.6.0:alpha5:::::: cpe:2.3:a:php:php:5.6.0:beta1:::::: cpe:2.3:a:php:php:7.0.0:::*	Record truncated, showing 500 of 4020 characters. View Entire Change Record Configuration 1 OR cpe:2.3:o:redhat:openshift:2.0::enterprise:::::* Configuration 2 OR cpe:2.3:o:freebsd:freebsd:8.3::::::: Configuration 3 OR cpe:2.3:o:redhat:enterprise_linux:6::::::: Configuration 4 OR cpe:2.3:o:freebsd:freebsd:8.0::::::: Configuration 5 OR cpe:2.3:o:redhat:enterprise_linux:5::::::: Configuration 6 AND OR cpe:2.3:a:libgd:libgd:2.2.2:
Added	Evaluator Description		<a href="http://cwe.mitre.org/data/definitions/122.html">CWE-122</a>
Added	Reference		http://tools.cisco.com/security/center/viewAlert.x?alertId=46860
Added	Reference		https://access.redhat.com/security/cve/cve-2016-5766
Added	Reference		https://bugzilla.redhat.com/show_bug.cgi?id=1351068
Changed	Reference Type	http://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac?w=1 No Types Assigned	http://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac?w=1 Exploit, Patch
Changed	Reference Type	http://www.debian.org/security/2016/dsa-3619 No Types Assigned	http://www.debian.org/security/2016/dsa-3619 Third Party Advisory
Changed	Reference Type	https://libgd.github.io/release-2.2.3.html No Types Assigned	https://libgd.github.io/release-2.2.3.html Release Notes

Modified Analysis - 8/10/2016 12:41:41 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 2298 characters. View Entire Change Record Configuration 1 AND OR cpe:2.3:a:libgd:libgd:2.2.2::::::: OR cpe:2.3:a:php:php:5.6.0:alpha1:::::: cpe:2.3:a:php:php:5.6.0:alpha2:::::: cpe:2.3:a:php:php:5.6.0:alpha3:::::: cpe:2.3:a:php:php:5.6.0:alpha4:::::: cpe:2.3:a:php:php:5.6.0:alpha5:::::: cpe:2.3:a:php:php:5.6.0:beta1:::::: cpe:2.3:a:php:php:7.0.0:::*
Added	CVSS V2		(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Added	CVSS V3		AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added	CWE		CWE-190
Changed	Reference Type	http://php.net/ChangeLog-5.php No Types Assigned	http://php.net/ChangeLog-5.php Release Notes
Changed	Reference Type	http://php.net/ChangeLog-7.php No Types Assigned	http://php.net/ChangeLog-7.php Release Notes
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2016/06/23/4 No Types Assigned	http://www.openwall.com/lists/oss-security/2016/06/23/4 Release Notes
Changed	Reference Type	https://bugs.php.net/bug.php?id=72339 No Types Assigned	https://bugs.php.net/bug.php?id=72339 Vendor Advisory, Exploit, Patch

Quick Info

CVE Dictionary Entry:
CVE-2016-5766
NVD Published Date:
08/07/2016
NVD Last Modified:
01/04/2018

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-5766 Detail

Description

Evaluator Description

Impact

References to Advisories, Solutions, and Tools

Technical Details

Vulnerable software and versions Switch to CPE 2.2

Change History

CVE Modified by MITRE - 1/4/2018 9:31:03 PM

CVE Modified by MITRE - 6/30/2017 9:29:59 PM

CVE Modified by MITRE - 2/19/2017 1:21:00 AM

CVE Modified by MITRE - 11/28/2016 3:29:15 PM

CVE Modified by Source - 8/23/2016 10:00:16 PM

Modified Analysis - 8/22/2016 1:10:08 PM

CVE Modified by Source - 8/12/2016 9:59:07 PM

Modified Analysis - 8/10/2016 12:41:41 PM

Initial CVE Analysis - 8/9/2016 5:29:36 PM

Quick Info