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...

CVE-2007-4406

CVE-2007-4406 affects ircu 2.10.12.01 through 2.10.12.04. The issue arises because ops privilege is not removed after a join from a server with an older timestamp, enabling remote attackers to gain control of a channel during a split. The available sources confirm the vulnerability details and af...

CVE-2007-4406

ircu 2.10.12.01 through 2.10.12.04 does not remove ops privilege after a join from a server with an older timestamp TS, which allows remote attackers to gain control of a channel during a split...

CVE-2007-4410

ircu 2.10.12.05 and earlier does not properly synchronize a kick action in certain cross scenarios, which allows remote authenticated operators to prevent later kick or de-op actions from non-local ops...

CVE-2007-4410

ircu 2.10.12.05 and earlier does not properly synchronize a kick action in certain cross scenarios, which allows remote authenticated operators to prevent later kick or de-op actions from non-local ops...

CVE-2007-4407

CVE-2007-4407 affects ircu versions 2.10.12.03 and 2.10.12.04. The flaw does not associate a timestamp with ops privilege on an unused channel (zannel), enabling remote attackers to manipulate channel modes via a netriding attack or to take over a channel by joining an unlinked server with A/Upas...

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...

CVE-2007-4405

CVE-2007-4405 affects ircu 2.10.12.02 through 2.10.12.04. The issue allows remote attackers to cause a denial of service by creating a large number of unused channels (zannels), consuming memory and bandwidth. All other details, including a confirmed remediation or patch version, are not provided...

CVE-2007-4411

CVE-2007-4411 affects ircu 2.10.12.05 and earlier. The issue allows remote attackers to reveal the hidden IP address of arbitrary +x users by issuing a sequence of /silence commands using either (1) CIDR mask arguments or (2) other arguments that map to IP groups, and then observing CTCP ping rep...

CVE-2007-4408

CVE-2007-4408 affects ircu 2.10.12.05 and earlier. The issue is that ircu ignores timestamps in bounces, enabling remote attackers to take over a channel during a netjoin by causing a bounce while a server with an older version of the channel is linking. The connected documents confirm the affect...

CVE-2007-4408

ircu 2.10.12.05 and earlier ignores timestamps in bounces, which allows remote attackers to take over a channel during a netjoin by causing a bounce while a server with an older version of the channel is linking...

CVE-2007-4407

ircu 2.10.12.03 and 2.10.12.04 does not associate a timestamp with ops privilege on an unused channel zannel, which allows remote attackers to 1 set or remove certain channel modes via a "netriding" attack or 2 take over a channel by joining an unlinked server with the A/Upass and then setting a...

CVE-2007-4409

Race condition in ircu 2.10.12.01 through 2.10.12.05 allows remote attackers to set a new Apass during a netburst by arranging for ops privilege to be granted before the mode arrives...

Multiple vulnerabilities in ircu

Ircu is the open source IRC server used on Undernet and other IRC networks. I Wouter Coekaerts discovered multiple vulnerabilities in various versions some time ago, which have all been fixed for some time since 2.10.12.06 but not yet made public. Now that servers have had enough time to upgrade,...