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CVE-2019-11049

Published: 23 December 2019

In PHP versions 7.3.x below 7.3.13 and 7.4.0 on Windows, when supplying custom headers to mail() function, due to mistake introduced in commit 78f4b4a2dcf92ddbccea1bb95f8390a18ac3342e, if the header is supplied in lowercase, this can result in double-freeing certain memory locations.

Notes

AuthorNote
mdeslaur
this issue is Windows-specific

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

trusty Not vulnerable

upstream Needs triage

xenial Does not exist

php7.0
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable

php7.2
Launchpad, Ubuntu, Debian
bionic Not vulnerable

disco Not vulnerable

eoan Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

php7.3
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Not vulnerable

trusty Does not exist

upstream Needs triage

xenial Does not exist

Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=11893c8e665d285f72c2b8a0fbe01a3fcc03b806

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