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    CVE-2021-23463

    The package com.h2database:h2 from 1.4.198 and before 2.0.202 are vulnerable to XML External Entity (XXE) Injection via the org.h2.jdbc.JdbcSQLXML class object, when it receives parsed string data from org.h2.jdbc.JdbcResultSet.getSQLXML() method. If it executes the getSource() method when the parameter is DOMSource.class it will trigger the vulnerability.

    Published:Oct 22, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 10, 2021
    EPSS Score:0.00279
    CVSS Score:8.1

    Affected Products

    Vendor
    H2database
    Product
    H2

    Exploits

    https://github.com/h2database/h2database/issues/3195https://snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238https://github.com/h2database/h2database/issues/3195https://snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    References

    https://github.com/h2database/h2database/commit/d83285fd2e48fb075780ee95badee6f5a15ea7f8%23diff-008c2e4462609982199cd83e7cf6f1d6b41296b516783f6752c44b9f15dc7bc3
    https://github.com/h2database/h2database/issues/3195
    https://github.com/h2database/h2database/pull/3199
    https://security.netapp.com/advisory/ntap-20230818-0010/
    https://snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238
    https://www.oracle.com/security-alerts/cpuapr2022.html
    https://github.com/h2database/h2database/commit/d83285fd2e48fb075780ee95badee6f5a15ea7f8%23diff-008c2e4462609982199cd83e7cf6f1d6b41296b516783f6752c44b9f15dc7bc3
    https://github.com/h2database/h2database/issues/3195
    https://github.com/h2database/h2database/pull/3199
    https://security.netapp.com/advisory/ntap-20230818-0010/
    https://snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238
    https://www.oracle.com/security-alerts/cpuapr2022.html

    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