CVE-2016-4343
Published: 29 April 2016
The phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.
Priority
Status
Package | Release | Status |
---|---|---|
php5 Launchpad, Ubuntu, Debian |
precise |
Released
(5.3.10-1ubuntu3.23)
|
trusty |
Released
(5.5.9+dfsg-1ubuntu4.17)
|
|
upstream |
Released
(5.6.18)
|
|
wily |
Released
(5.6.11+dfsg-1ubuntu3.4)
|
|
xenial |
Does not exist
|
|
Patches: upstream: https://git.php.net/?p=php-src.git;a=commit;h=4c2424eb24b0178456acc404dbfff528cdc44197 upstream: https://git.php.net/?p=php-src.git;a=commit;h=9649ca1630433473a307d015ba1a79a4a7a779f5 |
||
php7.0 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Released
(7.0.3)
|
|
wily |
Does not exist
|
|
xenial |
Not vulnerable
(7.0.4-7ubuntu2)
|
|
Patches: upstream: https://git.php.net/?p=php-src.git;a=commit;h=4c2424eb24b0178456acc404dbfff528cdc44197 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |