CVE-2020-7060
Published: 10 February 2020
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
Priority
Status
Package | Release | Status |
---|---|---|
php5 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Does not exist
|
|
trusty |
Released
(5.5.9+dfsg-1ubuntu4.29+esm10)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
Patches: upstream: https://github.com/microsoft/php-src/commit/31b5f3736519f3cb1af875f22f70423934a636d6 |
||
php7.0 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Released
(7.0.33-0ubuntu0.16.04.11)
|
|
php7.2 Launchpad, Ubuntu, Debian |
bionic |
Released
(7.2.24-0ubuntu0.18.04.3)
|
eoan |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(7.2.27)
|
|
xenial |
Does not exist
|
|
Patches: upstream: http://git.php.net/?p=php-src.git;a=commit;h=2bcbc95f033c31b00595ed39f79c3a99b4ed0501 |
||
php7.3 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Released
(7.3.11-0ubuntu0.19.10.3)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(7.3.14)
|
|
xenial |
Does not exist
|
|
Patches: upstream: http://git.php.net/?p=php-src.git;a=commit;h=2bcbc95f033c31b00595ed39f79c3a99b4ed0501 upstream: http://git.php.net/?p=php-src.git;a=commit;h=25ec7eb3463f34a2be666c6785d1c6b3cc89575e |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.1 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |