PublicDateAtUSN: 2019-02-22
Candidate: CVE-2019-9023
PublicDate: 2019-02-22 23:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9023
 https://ubuntu.com/security/notices/USN-3902-1
 https://ubuntu.com/security/notices/USN-3902-2
Description:
 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.
Ubuntu-Description:
Notes:
Bugs:
 https://bugs.php.net/bug.php?id=77370
 https://bugs.php.net/bug.php?id=77371
 https://bugs.php.net/bug.php?id=77381
 https://bugs.php.net/bug.php?id=77382
 https://bugs.php.net/bug.php?id=77385
 https://bugs.php.net/bug.php?id=77394
 https://bugs.php.net/bug.php?id=77418
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL]

Patches_php5:
upstream_php5: needs-triage
precise/esm_php5: released (5.3.10-1ubuntu3.33)
trusty_php5: released (5.5.9+dfsg-1ubuntu4.27)
trusty/esm_php5: released (5.5.9+dfsg-1ubuntu4.27)
xenial_php5: DNE
bionic_php5: DNE
cosmic_php5: DNE
devel_php5: DNE

Patches_php7.0:
 upstream: https://github.com/php/php-src/commit/20407d06ca3cb5eeb10f876a812b40c381574bcc (7.1)
 upstream: https://github.com/php/php-src/commit/28362ed4fae6969b5a8878591a5a06eadf114e03 (7.1)
 upstream: https://github.com/php/php-src/commit/31f59e1f3074ab344b473dde6077a6844ca87264 (7.1)
 upstream: https://github.com/php/php-src/commit/9d6c59eeea88a3e9d7039cb4fed5126ef704593a (7.1)
upstream_php7.0: needs-triage
precise/esm_php7.0: DNE
trusty_php7.0: DNE
trusty/esm_php7.0: DNE
xenial_php7.0: released (7.0.33-0ubuntu0.16.04.2)
esm-infra/xenial_php7.0: released (7.0.33-0ubuntu0.16.04.2)
bionic_php7.0: DNE
cosmic_php7.0: DNE
devel_php7.0: DNE

Patches_php7.2:
upstream_php7.2: released (7.2.14)
precise/esm_php7.2: DNE
trusty_php7.2: DNE
trusty/esm_php7.2: DNE
xenial_php7.2: DNE
bionic_php7.2: released (7.2.15-0ubuntu0.18.04.1)
cosmic_php7.2: released (7.2.15-0ubuntu0.18.10.1)
devel_php7.2: released (7.2.15-0ubuntu2)

Patches_php7.3:
upstream_php7.3: released (7.3.1)
precise/esm_php7.3: DNE
trusty_php7.3: DNE
trusty/esm_php7.3: DNE
xenial_php7.3: DNE
bionic_php7.3: DNE
cosmic_php7.3: DNE
devel_php7.3: not-affected (7.3.2-3)