Impact: Moderate Public Date: 2019-02-22 Bugzilla: 1685408: CVE-2019-9025 php: Negative size parameter in mb_split An issue was discovered in PHP 7.3.x before 7.3.1. An invalid multibyte string supplied as an argument to the mb_split() function in ext/mbstring/php_mbregex.c can cause PHP to execute memcpy() with a negative argument, which could read and write past buffers allocated for the data.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-9025 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php70-php | Not affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php72-php | Not affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php71-php | Not affected |
| Red Hat Enterprise Linux 7 | php | Not affected |
| Red Hat Enterprise Linux 6 | php | Not affected |
| Red Hat Enterprise Linux 5 | php | Not affected |
Vulmon