CVE-2017-6362
Published: 1 September 2017
Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vectors related to a palette with no colors.
Notes
| Author | Note |
|---|---|
| mdeslaur | php uses the system libgd2 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libgd2 Launchpad, Ubuntu, Debian |
trusty |
Released
(2.1.0-3ubuntu0.8)
|
| upstream |
Released
(2.2.5)
|
|
| xenial |
Released
(2.1.1-4ubuntu0.16.04.8)
|
|
| zesty |
Released
(2.2.4-2ubuntu0.3)
|
|
|
php5 Launchpad, Ubuntu, Debian |
trusty |
Not vulnerable
(uses system gd)
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| zesty |
Does not exist
|
|
|
php7.0 Launchpad, Ubuntu, Debian |
trusty |
Does not exist
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system gd)
|
|
| zesty |
Not vulnerable
(uses system gd)
|
|
|
php7.1 Launchpad, Ubuntu, Debian |
trusty |
Does not exist
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| zesty |
Does not exist
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |