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    CVE-2009-4325

    The Client Interfaces component in IBM DB2 8.2 before FP18, 9.1 before FP8, 9.5 before FP5, and 9.7 before FP1 does not validate an unspecified pointer, which allows attackers to overwrite "external memory" via unknown vectors, related to a missing "check for null pointers."

    Published:Dec 16, 2009
    Last Modified:Apr 23, 2026
    EPS:Dec 16, 2009
    EPSS Score:0.0178
    CVSS Score:6.4

    Affected Products

    Vendor
    Ibm
    Product
    Db2

    Exploits

    http://www-01.ibm.com/support/docview.wss?uid=swg1LI72709http://www-01.ibm.com/support/docview.wss?uid=swg1LI74500http://www-01.ibm.com/support/docview.wss?uid=swg1LI72709http://www-01.ibm.com/support/docview.wss?uid=swg1LI74500

    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-2026-86087 (CVSS 4.3) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an authenticated user to send a specially…
    CVE-2026-86093 (CVSS 7.5) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control o…
    CVE-2026-87958 (CVSS 8.1) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service where a specific…
    CVE-2026-10534 (CVSS 8.4) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to buffer overflow in the IXF IMPORT pa…
    CVE-2026-10543 (CVSS 8.2) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a speciall…
    CVE-2026-16480 (CVSS 4.3) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerabilit…
    CVE-2026-18097 (CVSS 5.5) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Ser…
    CVE-2026-18096 (CVSS 3.3) — IBM Db2 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local attacker to cause…
    CVE-2026-10535 (CVSS 8.4) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to buffer overflow in setgid helper db2…
    CVE-2026-10695 (CVSS 6.2) — IBM Db2 12.1.0 through 12.1.4 federated server is vulnerable to a denial of service when running non fenced fe…

    References

    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v82/APARLIST.TXT
    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v91/APARLIST.TXT
    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v95/APARLIST.TXT
    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v97/APARLIST.TXT
    http://secunia.com/advisories/37759
    http://www-01.ibm.com/support/docview.wss?uid=swg1IC64702
    http://www-01.ibm.com/support/docview.wss?uid=swg1LI72709
    http://www-01.ibm.com/support/docview.wss?uid=swg1LI74500
    http://www-01.ibm.com/support/docview.wss?uid=swg1LI74504
    http://www-01.ibm.com/support/docview.wss?uid=swg21293566
    http://www-01.ibm.com/support/docview.wss?uid=swg21412902
    http://www.securityfocus.com/bid/37332
    http://www.vupen.com/english/advisories/2009/3520
    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v82/APARLIST.TXT
    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v91/APARLIST.TXT
    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v95/APARLIST.TXT
    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v97/APARLIST.TXT
    http://secunia.com/advisories/37759
    http://www-01.ibm.com/support/docview.wss?uid=swg1IC64702
    http://www-01.ibm.com/support/docview.wss?uid=swg1LI72709
    http://www-01.ibm.com/support/docview.wss?uid=swg1LI74500
    http://www-01.ibm.com/support/docview.wss?uid=swg1LI74504
    http://www-01.ibm.com/support/docview.wss?uid=swg21293566
    http://www-01.ibm.com/support/docview.wss?uid=swg21412902
    http://www.securityfocus.com/bid/37332
    http://www.vupen.com/english/advisories/2009/3520

    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