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Debian Security Advisory DSA 1980-1 (ircd-hybrid/ircd-ratbox)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to ircd-hybrid/ircd-ratbox announced via advisory DSA 1980-1.
Insight
Insight
David Leadbeater discovered an integer underflow that could be triggered via the LINKS command and can lead to a denial of service or the execution of arbitrary code (CVE-2009-4016). This issue affects both, ircd-hybrid and ircd-ratbox. It was discovered that the ratbox IRC server is prone to a denial of service attack via the HELP command. The ircd-hybrid package is not vulnerable to this issue (CVE-2010-0300). For the stable distribution (lenny), this problem has been fixed in version 1:7.2.2.dfsg.2-4+lenny1 of the ircd-hybrid package and in version 2.2.8.dfsg-2+lenny1 of ircd-ratbox. Due to a bug in the archive software it was not possible to release the fix for the oldstable distribution (etch) simultaneously. The packages will be released as version 7.2.2.dfsg.2-3+etch1 once they become available. For the testing distribution (squeeze) and the unstable distribution (sid), this problem will be fixed soon. We recommend that you upgrade your ircd-hybrid/ircd-ratbox packages.
Solution
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201980-1