CWE
20 476
Advisory Published
CVE Published
Updated

CVE-2009-2620: Input Validation

First published: Tue Jul 28 2009(Updated: )

src/remote/server.cpp in fbserver.exe in Firebird SQL 1.5 before 1.5.6, 2.0 before 2.0.6, 2.1 before 2.1.3, and 2.5 before 2.5 Beta 2 allows remote attackers to cause a denial of service (daemon crash) via a malformed op_connect_request message that triggers an infinite loop or NULL pointer dereference.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
FirebirdSQL<=2.0.3
FirebirdSQL=1.5
FirebirdSQL=1.5.1
FirebirdSQL=1.5.2
FirebirdSQL=1.5.2.4731
FirebirdSQL=1.5.3.4870
FirebirdSQL=1.5.4.4910
FirebirdSQL=1.5.5
FirebirdSQL=2.0.0
FirebirdSQL=2.0.0.12748
FirebirdSQL=2.0.1
FirebirdSQL=2.0.2
FirebirdSQL=2.1
FirebirdSQL=2.1.2
FirebirdSQL=2.1.3-rc1
FirebirdSQL=2.5
FirebirdSQL=2.5-beta_2

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Frequently Asked Questions

  • What is the severity of CVE-2009-2620?

    CVE-2009-2620 is classified as a denial of service vulnerability that may cause a crash of the Firebird SQL daemon.

  • How do I fix CVE-2009-2620?

    To address CVE-2009-2620, upgrade to Firebird SQL version 1.5.6, 2.0.6, 2.1.3 or later.

  • What software versions are affected by CVE-2009-2620?

    Firebird SQL versions 1.5, 2.0 up to 2.0.5, 2.1 up to 2.1.2, and 2.5 prior to Beta 2 are affected by CVE-2009-2620.

  • Can CVE-2009-2620 be exploited remotely?

    Yes, CVE-2009-2620 can be exploited remotely via a malformed op_connect_request message.

  • What impact does CVE-2009-2620 have on systems?

    CVE-2009-2620 allows attackers to cause a denial of service through daemon crashes.

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