CVE-2018-14553 Information

Description

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).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.html https://bugzilla.redhat.com/show_bug.cgi?id=1599032 https://github.com/libgd/libgd/commit/a93eac0e843148dc2d631c3ba80af17e9c8c860f https://github.com/libgd/libgd/pull/580 https://lists.debian.org/debian-lts-announce/2020/02/msg00014.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/ https://usn.ubuntu.com/4316-1/ https://usn.ubuntu.com/4316-2/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5