WordPress mbstring extension security bypass
| wordpress-mbstring-security-bypass (31297) |  Medium Risk |
Description:
WordPress could allow a remote attacker to bypass security restrictions, caused by a vulnerability in different charset trackbacks. If PHP's mbstring extension is enabled, a remote attacker could bypass SQL parameter escaping and perform SQL injection attacks which could allow the attacker to view, add, modify or delete information in the back-end database.
*CVSS:
| Base Score: | 5.6 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 4.4 |
| Exploitability: | Proof-Of-Concept |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Upgrade to the latest version of WordPress (2.06 or later), available from the WordPress Web site. See References.
For OpenPKG:
Refer to OpenPKG Security Advisory OpenPKG-SA-2007.005 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 200701-10 for patch, upgrade, or suggested workaround information. See References.
References:
- Full-Disclosure Mailing List, Fri Jan 05 2007 - 09:14:07 CST: WordPress Trackback Charset Decoding SQL Injection Vulnerability.
- WordPress Web site: WordPress > Download.
- BID-21907: WordPress Charset Decoding SQL Injection Vulnerability
- CVE-2007-0107: WordPress before 2.0.6, when mbstring is enabled for PHP, decodes alternate character sets after escaping the SQL query, which allows remote attackers to bypass SQL injection protection schemes and execute arbitrary SQL commands via multibyte charsets, as demonstrated using UTF-7.
- GLSA-200701-10: WordPress: Multiple vulnerabilities
- OpenPKG-SA-2007.005: WordPress
- OSVDB ID: 31579: WordPress Multibyte Charset SQL Injection
- SA23595: Wordpress SQL Injection and Cross-Site Scripting Vulnerabilities
- VUPEN/ADV-2007-0061: WordPress Trackback Charset SQL Injection and Admin Cross Site Scripting Vulnerabilities
Platforms Affected:
- Gentoo Linux
- OpenPKG OpenPKG 2-STABLE
- OpenPKG OpenPKG CURRENT
- WordPress WordPress prior to 2.06
Reported:
Jan 05, 2007
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.