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CVE-2018-19935

Published: 7 December 2018

ext/imap/php_imap.c in PHP 5.x and 7.x before 7.3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty string in the message argument to the imap_mail function.

Notes

AuthorNote
mdeslaur
php5 in precise and trusty doesn't build imap, it is in a
separate php-imap source package.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Not vulnerable
(code not present)
xenial Does not exist

bionic Does not exist

cosmic Does not exist

php-imap
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Does not exist

bionic Does not exist

cosmic Does not exist

trusty
Released (5.4.6-0ubuntu5.1)
php7.0
Launchpad, Ubuntu, Debian
upstream
Released (7.0.33)
trusty Does not exist

xenial
Released (7.0.33-0ubuntu0.16.04.1)
bionic Does not exist

cosmic Does not exist

Binaries built from this source package are in Universe and so are supported by the community.
php7.2
Launchpad, Ubuntu, Debian
upstream
Released (7.2.14)
trusty Does not exist

xenial Does not exist

bionic
Released (7.2.15-0ubuntu0.18.04.1)
cosmic
Released (7.2.15-0ubuntu0.18.20.1)
Binaries built from this source package are in Universe and so are supported by the community.
php7.3
Launchpad, Ubuntu, Debian
upstream
Released (7.3.0)
trusty Does not exist

xenial Does not exist

bionic Does not exist

cosmic Does not exist

Patches:
upstream: https://git.php.net/?p=php-src.git;a=commit;h=648fc1e369fc05fb9200a42c7938912236b2a318
Binaries built from this source package are in Universe and so are supported by the community.

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