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    CVE-2010-5099

    The fileDenyPattern functionality in the PHP file inclusion protection API in TYPO3 4.2.x before 4.2.16, 4.3.x before 4.3.9, and 4.4.x before 4.4.5 does not properly filter file types, which allows remote attackers to bypass intended access restrictions and access arbitrary PHP files, as demonstrated using path traversal sequences with %00 null bytes and CVE-2010-3714 to read the TYPO3 encryption key from localconf.php.

    Published:May 30, 2012
    Last Modified:Apr 11, 2025
    EPS:May 30, 2012
    EPSS Score:0.05185
    CVSS Score:6.8

    Affected Products

    Vendor
    Typo3
    Product
    Typo3

    Exploits

    http://blog.nibblesec.org/2010/12/typo3-sa-2010-020-typo3-sa-2010-022.htmlhttp://www.exploit-db.com/exploits/15856http://blog.nibblesec.org/2010/12/typo3-sa-2010-020-typo3-sa-2010-022.htmlhttp://www.exploit-db.com/exploits/15856https://www.exploit-db.com/exploits/15856

    Common Weakness Enumeration

    CWE-20 Improper Input Validation

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-104 Cross Zone Scripting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-109 Object Relational Mapping Injection
    CAPEC-110 SQL Injection through SOAP Parameter Tampering
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-136 LDAP Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-153 Input Data Manipulation
    CAPEC-182 Flash Injection
    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-22 Exploiting Trust in Client
    CAPEC-23 File Content Injection
    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-261 Fuzzing for garnering other adjacent user/sensitive data
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-473 Signature Spoof
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-588 DOM-Based XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-664 Server Side Request Forgery
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-73 User-Controlled Filename
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-81 Web Server Logs Tampering
    CAPEC-83 XPath Injection
    CAPEC-85 AJAX Footprinting
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2026-77132 (CVSS 5.3) — It has been discovered that several AJAX routes used for the backend localization wizard failed to perform aut…
    CVE-2026-85400 (CVSS 7.5) — Backend administrators without system maintainer privileges were able to schedule any of the configuration:rea…
    CVE-2026-19418 (CVSS 7.3) — The referrer enforcement introduced with TYPO3-CORE-SA-2020-006 (CVE-2020-11069) became ineffective in TYPO3 v…
    CVE-2026-15305 (CVSS 6.3) — Users were able to upload files with arbitrary MIME types to forms using FileUpload or ImageUpload elements wi…
    CVE-2026-49742 (CVSS 7.1) — Backend users with file download permissions were able to download files from the fallback storage of the file…
    CVE-2026-49741 (CVSS 8.7) — Backend users with write access to the form_definition database table were able to directly create, update, or…
    CVE-2026-49740 (CVSS 6.3) — TYPO3's cache frontend (VariableFrontend) and persistent key-value store (Registry) deserialized PHP payloads …
    CVE-2026-49738 (CVSS 2.1) — The path allowance check in GeneralUtility::isAllowedAbsPath() performed a plain string prefix comparison with…
    CVE-2026-47352 (CVSS 5.3) — Authenticated backend users were able to retrieve file metadata via several Backend API routes without proper …
    CVE-2026-47351 (CVSS 5.3) — Backend users were able to insert arbitrary records and files into the TYPO3 clipboard without proper read per…

    References

    http://blog.nibblesec.org/2010/12/typo3-sa-2010-020-typo3-sa-2010-022.html
    http://secunia.com/advisories/35770
    http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-sa-2010-022/
    http://www.exploit-db.com/exploits/15856
    http://www.openwall.com/lists/oss-security/2011/01/13/2
    http://www.openwall.com/lists/oss-security/2012/05/10/7
    http://www.openwall.com/lists/oss-security/2012/05/11/3
    http://www.openwall.com/lists/oss-security/2012/05/12/5
    https://exchange.xforce.ibmcloud.com/vulnerabilities/64180
    http://blog.nibblesec.org/2010/12/typo3-sa-2010-020-typo3-sa-2010-022.html
    http://secunia.com/advisories/35770
    http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-sa-2010-022/
    http://www.exploit-db.com/exploits/15856
    http://www.openwall.com/lists/oss-security/2011/01/13/2
    http://www.openwall.com/lists/oss-security/2012/05/10/7
    http://www.openwall.com/lists/oss-security/2012/05/11/3
    http://www.openwall.com/lists/oss-security/2012/05/12/5
    https://exchange.xforce.ibmcloud.com/vulnerabilities/64180

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High