IRC Services: Denial of Service

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-irc/ircservices	< 5.0.63	>= 5.0.63	All supported architectures

Related bugreports: #199897

A Denial of Service vulnerability has been reported in IRC Services.

2. Impact Information

IRC Services is a system of services to be used with Internet Relay Chat networks.

loverboy reported that the "default_encrypt()" function in file encrypt.c does not properly handle overly long passwords.

A remote attacker could provide an overly long password to the vulnerable server, resulting in a Denial of Service.

3. Resolution Information

There is no known workaround at this time.

All IRC Services users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/ircservices-5.0.63"

4. References

Updated December 13, 2007

Summary: This is a Gentoo Linux Security Advisory

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