CVE-2019-9023
Published: 22 February 2019
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A number of heap-based buffer over-read instances are present in mbstring regular expression functions when supplied with invalid multibyte data. These occur in ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
php5 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| trusty |
Released
(5.5.9+dfsg-1ubuntu4.27)
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
php7.0 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(7.0.33-0ubuntu0.16.04.2)
|
|
|
Patches: upstream: https://github.com/php/php-src/commit/20407d06ca3cb5eeb10f876a812b40c381574bcc upstream: https://github.com/php/php-src/commit/28362ed4fae6969b5a8878591a5a06eadf114e03 upstream: https://github.com/php/php-src/commit/31f59e1f3074ab344b473dde6077a6844ca87264 upstream: https://github.com/php/php-src/commit/9d6c59eeea88a3e9d7039cb4fed5126ef704593a |
||
|
php7.2 Launchpad, Ubuntu, Debian |
bionic |
Released
(7.2.15-0ubuntu0.18.04.1)
|
| cosmic |
Released
(7.2.15-0ubuntu0.18.10.1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(7.2.14)
|
|
| xenial |
Does not exist
|
|
|
php7.3 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(7.3.1)
|
|
| xenial |
Does not exist
|
|
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |