CVE-2018-14553

gd: NULL pointer dereference in gdImageClone

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled).

La función gdImageClone en el archivo gd.c en libgd versiones 2.1.0-rc2 hasta 2.2.5, presenta una desreferencia del puntero NULL que permite a atacantes bloquear una aplicación por medio de una secuencia de llamada de función específica.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-07-23 CVE Reserved
2020-02-11 CVE Published
2024-06-06 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-476: NULL Pointer Dereference

CAPEC

References (10)

URL	Tag	Source
https://github.com/libgd/libgd/pull/580	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/02/msg00014.html	Mailing List
https://lists.debian.org/debian-lts-announce/2024/04/msg00003.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/libgd/libgd/commit/a93eac0e843148dc2d631c3ba80af17e9c8c860f	2024-04-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.html	2024-04-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6	2024-04-07
https://usn.ubuntu.com/4316-1	2024-04-07
https://usn.ubuntu.com/4316-2	2024-04-07
https://access.redhat.com/security/cve/CVE-2018-14553	2020-11-04
https://bugzilla.redhat.com/show_bug.cgi?id=1600727	2020-11-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libgd Search vendor "Libgd"		Libgd Search vendor "Libgd" for product "Libgd"				>= 2.1.1 <= 2.2.5 Search vendor "Libgd" for product "Libgd" and version " >= 2.1.1 <= 2.2.5"		-		Affected
Libgd Search vendor "Libgd"		Libgd Search vendor "Libgd" for product "Libgd"				2.1.0 Search vendor "Libgd" for product "Libgd" and version "2.1.0"		-		Affected
Libgd Search vendor "Libgd"		Libgd Search vendor "Libgd" for product "Libgd"				2.1.0 Search vendor "Libgd" for product "Libgd" and version "2.1.0"		rc2		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				32 Search vendor "Fedoraproject" for product "Fedora" and version "32"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected