CWE
20
Advisory Published
Updated

CVE-2013-5580: Input Validation

First published: Tue Oct 01 2013(Updated: )

The (1) Conn_StartLogin and (2) cb_Read_Resolver_Result functions in conn.c in ngIRCd 18 through 20.2, when the configuration option NoticeAuth is enabled, does not properly handle the return code for the Handle_Write function, which allows remote attackers to cause a denial of service (assertion failure and server crash) via unspecified vectors, related to a "notice auth" message not being sent to a new client.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Ngircd=18.0
Ngircd=19.0
Ngircd=19.1
Ngircd=20.0
Ngircd=20.1
Ngircd=20.2

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Frequently Asked Questions

  • What is the severity of CVE-2013-5580?

    CVE-2013-5580 has a severity rating that indicates it can lead to a denial of service condition.

  • How do I fix CVE-2013-5580?

    To fix CVE-2013-5580, users should upgrade ngIRCd to version 20.3 or later where the vulnerability is addressed.

  • Which versions of ngIRCd are affected by CVE-2013-5580?

    Versions of ngIRCd from 18.0 up to 20.2 are affected by CVE-2013-5580.

  • What kind of attack does CVE-2013-5580 enable?

    CVE-2013-5580 enables remote attackers to execute a denial-of-service attack.

  • Is CVE-2013-5580 related to configuration options in ngIRCd?

    Yes, CVE-2013-5580 is associated with the NoticeAuth configuration option in ngIRCd.

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