CVE-2016-8670
Published: 14 October 2016
Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.
Notes
| Author | Note |
|---|---|
| mdeslaur | php uses the system libgd2 0019-Patch-for-security-bug-https-bugs.php.net-bug.php-id.patch in Debian jessie update. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libgd2 Launchpad, Ubuntu, Debian |
precise |
Released
(2.0.36~rc1~dfsg-6ubuntu2.3)
|
| trusty |
Released
(2.1.0-3ubuntu0.5)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(2.1.1-4ubuntu0.16.04.5)
|
|
| yakkety |
Released
(2.2.1-1ubuntu3.2)
|
|
|
Patches: upstream: https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9 |
||
|
php5 Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(uses system gd)
|
| trusty |
Not vulnerable
(uses system gd)
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
|
php7.0 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system gd)
|
|
| yakkety |
Not vulnerable
(uses system gd)
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |