National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-7568 Detail

Description

Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted imagewebp and imagedestroy calls.

Source:  MITRE
Description Last Modified:  09/28/2016

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.securityfocus.com/bid/93184
https://bugs.php.net/bug.php?id=73003 Issue Tracking
https://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03 Issue Tracking Patch Third Party Advisory
https://github.com/libgd/libgd/issues/308 Issue Tracking Patch Third Party Advisory
https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6 Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201612-09

Technical Details

Vulnerability Type (View All)

  • Integer Overflow or Wraparound (CWE-190)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7568
NVD Published Date:
09/28/2016
NVD Last Modified:
11/03/2017