CVE-2018-20783
Published: 21 February 2019
In PHP before 5.6.39, 7.x before 7.0.33, 7.1.x before 7.1.25, and 7.2.x before 7.2.13, a buffer over-read in PHAR reading functions may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse a .phar file. This is related to phar_parse_pharfile in ext/phar/phar.c.
Notes
Author | Note |
---|---|
sbeattie | PEAR issues should go against php-pear as of xenial |
Priority
Status
Package | Release | Status |
---|---|---|
php5 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Released
(5.5.9+dfsg-1ubuntu4.29+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(5.6.39)
|
|
xenial |
Does not exist
|
|
Patches: upstream: http://git.php.net/?p=php-src.git;a=commit;h=48f0f73f75c0059ba5d9b73cb4e5faeeaea49c47 |
||
php7.0 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(7.0.33)
|
|
xenial |
Released
(7.0.33-0ubuntu0.16.04.1)
|
|
php7.2 Launchpad, Ubuntu, Debian |
bionic |
Released
(7.2.15-0ubuntu0.18.04.1)
|
cosmic |
Released
(7.2.15-0ubuntu0.18.04.1)
|
|
disco |
Released
(7.2.15-0ubuntu0.18.04.1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(7.2.13)
|
|
xenial |
Does not exist
|
|
php7.3 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(7.3.0-1)
|
|
xenial |
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 | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |