National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-5711 Detail

Current Description

gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.33, 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1, has an integer signedness error that leads to an infinite loop via a crafted GIF file, as demonstrated by a call to the imagecreatefromgif or imagecreatefromstring PHP function. This is related to GetCode_ and gdImageCreateFromGifCtx.

Source:  MITRE
Description Last Modified:  01/16/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://php.net/ChangeLog-5.php Release Notes Vendor Advisory
http://php.net/ChangeLog-7.php Release Notes Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=75571 Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/01/msg00022.html Third Party Advisory
https://usn.ubuntu.com/3755-1/

Technical Details

Vulnerability Type (View All)

  • Uncontrolled Resource Consumption ('Resource Exhaustion') (CWE-400)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-5711
NVD Published Date:
01/16/2018
NVD Last Modified:
08/28/2018