Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2019-12831 | First vendor Publication | 2019-06-15 |
| Vendor | Cve | Last vendor Modification | 2019-06-17 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 7.2 | ||
| Base Score | 7.2 | Environmental Score | 7.2 |
| impact SubScore | 5.9 | Temporal Score | 7.2 |
| Exploitabality Sub Score | 1.2 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | High | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 6.5 | Attack Range | Network |
| Cvss Impact Score | 6.4 | Attack Complexity | Low |
| Cvss Expoit Score | 8 | Authentication | Requires single instance |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| In MyBB before 1.8.21, an attacker can abuse a default behavior of MySQL on many systems (that leads to truncation of strings that are too long for a database column) to create a PHP shell in the cache directory of a targeted forum via a crafted XML import, as demonstrated by truncation of aaaaaaaaaaaaaaaaaaaaaaaaaa.php.css to aaaaaaaaaaaaaaaaaaaaaaaaaa.php with a 30-character limit, aka theme import stylesheet name RCE. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12831 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-20 | Improper Input Validation |
CPE : Common Platform Enumeration
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://blog.mybb.com/2019/06/10/mybb-1-8-21-released-security-maintenance-re... https://blog.ripstech.com/2019/mybb-stored-xss-to-rce/ |
Alert History
| Date | Informations |
|---|---|
| 2021-09-08 01:33:07 |
|
| 2021-05-04 13:23:10 |
|
| 2021-04-22 02:38:04 |
|
| 2020-05-23 02:22:23 |
|
| 2019-06-18 00:19:00 |
|
| 2019-06-17 17:19:06 |
|
| 2019-06-16 00:19:05 |
|
