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    CVE-2007-0908

    The WDDX deserializer in the wddx extension in PHP 5 before 5.2.1 and PHP 4 before 4.4.5 does not properly initialize the key_length variable for a numerical key, which allows context-dependent attackers to read stack memory via a wddxPacket element that contains a variable with a string name before a numerical variable.

    Published:Feb 13, 2007
    Last Modified:Apr 23, 2026
    EPS:Feb 13, 2007
    EPSS Score:0.16535
    CVSS Score:5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Application Stack
    Vendor
    Redhat
    Product
    Rhel Stronghold

    Exploits

    https://www.exploit-db.com/exploits/3414

    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-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    ftp://patches.sgi.com/support/free/security/advisories/20070201-01-P.asc
    http://lists.suse.com/archive/suse-security-announce/2007-Mar/0003.html
    http://osvdb.org/32766
    http://rhn.redhat.com/errata/RHSA-2007-0089.html
    http://secunia.com/advisories/24089
    http://secunia.com/advisories/24195
    http://secunia.com/advisories/24217
    http://secunia.com/advisories/24236
    http://secunia.com/advisories/24248
    http://secunia.com/advisories/24284
    http://secunia.com/advisories/24295
    http://secunia.com/advisories/24322
    http://secunia.com/advisories/24419
    http://secunia.com/advisories/24421
    http://secunia.com/advisories/24432
    http://secunia.com/advisories/24514
    http://secunia.com/advisories/24606
    http://secunia.com/advisories/24642
    http://security.gentoo.org/glsa/glsa-200703-21.xml
    http://securityreason.com/securityalert/2321
    http://support.avaya.com/elmodocs2/security/ASA-2007-101.htm
    http://support.avaya.com/elmodocs2/security/ASA-2007-136.htm
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:048
    http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.010.html
    http://www.php-security.org/MOPB/MOPB-11-2007.html
    http://www.php.net/ChangeLog-5.php#5.2.1
    http://www.php.net/releases/5_2_1.php
    http://www.redhat.com/support/errata/RHSA-2007-0076.html
    http://www.redhat.com/support/errata/RHSA-2007-0081.html
    http://www.redhat.com/support/errata/RHSA-2007-0082.html
    http://www.redhat.com/support/errata/RHSA-2007-0088.html
    http://www.securityfocus.com/archive/1/461462/100/0/threaded
    http://www.securityfocus.com/bid/22496
    http://www.securityfocus.com/bid/22806
    http://www.securitytracker.com/id?1017671
    http://www.trustix.org/errata/2007/0009/
    http://www.ubuntu.com/usn/usn-424-1
    http://www.ubuntu.com/usn/usn-424-2
    http://www.us.debian.org/security/2007/dsa-1264
    http://www.vupen.com/english/advisories/2007/0546
    https://exchange.xforce.ibmcloud.com/vulnerabilities/32493
    https://issues.rpath.com/browse/RPL-1088
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11185
    ftp://patches.sgi.com/support/free/security/advisories/20070201-01-P.asc
    http://lists.suse.com/archive/suse-security-announce/2007-Mar/0003.html
    http://osvdb.org/32766
    http://rhn.redhat.com/errata/RHSA-2007-0089.html
    http://secunia.com/advisories/24089
    http://secunia.com/advisories/24195
    http://secunia.com/advisories/24217
    http://secunia.com/advisories/24236
    http://secunia.com/advisories/24248
    http://secunia.com/advisories/24284
    http://secunia.com/advisories/24295
    http://secunia.com/advisories/24322
    http://secunia.com/advisories/24419
    http://secunia.com/advisories/24421
    http://secunia.com/advisories/24432
    http://secunia.com/advisories/24514
    http://secunia.com/advisories/24606
    http://secunia.com/advisories/24642
    http://security.gentoo.org/glsa/glsa-200703-21.xml
    http://securityreason.com/securityalert/2321
    http://support.avaya.com/elmodocs2/security/ASA-2007-101.htm
    http://support.avaya.com/elmodocs2/security/ASA-2007-136.htm
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:048
    http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.010.html
    http://www.php-security.org/MOPB/MOPB-11-2007.html
    http://www.php.net/ChangeLog-5.php#5.2.1
    http://www.php.net/releases/5_2_1.php
    http://www.redhat.com/support/errata/RHSA-2007-0076.html
    http://www.redhat.com/support/errata/RHSA-2007-0081.html
    http://www.redhat.com/support/errata/RHSA-2007-0082.html
    http://www.redhat.com/support/errata/RHSA-2007-0088.html
    http://www.securityfocus.com/archive/1/461462/100/0/threaded
    http://www.securityfocus.com/bid/22496
    http://www.securityfocus.com/bid/22806
    http://www.securitytracker.com/id?1017671
    http://www.trustix.org/errata/2007/0009/
    http://www.ubuntu.com/usn/usn-424-1
    http://www.ubuntu.com/usn/usn-424-2
    http://www.us.debian.org/security/2007/dsa-1264
    http://www.vupen.com/english/advisories/2007/0546
    https://exchange.xforce.ibmcloud.com/vulnerabilities/32493
    https://issues.rpath.com/browse/RPL-1088
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11185

    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