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    CVE-2007-4411

    ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.

    Published:Aug 18, 2007
    Last Modified:Apr 23, 2026
    EPS:Aug 18, 2007
    EPSS Score:0.00389
    CVSS Score:4.3

    Affected Products

    Vendor
    Universal Ircd
    Product
    Ircu

    Exploits

    http://www.securityfocus.com/bid/25285http://www.securityfocus.com/bid/25285

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2007-4406 (CVSS 7.5) — ircu 2.10.12.01 through 2.10.12.04 does not remove ops privilege after a join from a server with an older time…
    CVE-2007-4408 (CVSS 5) — ircu 2.10.12.05 and earlier ignores timestamps in bounces, which allows remote attackers to take over a channe…
    CVE-2007-4409 (CVSS 5.1) — Race condition in ircu 2.10.12.01 through 2.10.12.05 allows remote attackers to set a new Apass during a netbu…
    CVE-2007-4410 (CVSS 6) — ircu 2.10.12.05 and earlier does not properly synchronize a kick action in certain cross scenarios, which allo…
    CVE-2007-4404 (CVSS 7.8) — ircu 2.10.12.01 allows remote attackers to (1) cause a denial of service (flood wallops) by joining two channe…
    CVE-2007-4407 (CVSS 6.4) — ircu 2.10.12.03 and 2.10.12.04 does not associate a timestamp with ops privilege on an unused channel (zannel)…
    CVE-2007-4405 (CVSS 7.8) — ircu 2.10.12.02 through 2.10.12.04 allows remote attackers to cause a denial of service (memory and bandwidth …

    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