Summary
This host is running UnrealIRCd and is prone to buffer overflow vulnerability.
Impact
Successful exploitation will allow attacker to cause a denial of service and possibly execute arbitrary code via unspecified vectors.
Impact Level: Application
Solution
Upgrade to UnrealIRCd version 3.2.8.1 or later,
For updates refer to http://www.unrealircd.com/downloads.php
Workaround: Remove noident from the allow::options and /REHASH.
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NOTE: Ignore this warning, if allow::options::noident is not enabled.
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Insight
The flaw is caused by an error when allow::options::noident is enabled, which allows remote attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors.
Affected
UnrealIRCd version 3.2beta11 through 3.2.8
References
Severity
Classification
-
CVE CVE-2009-4893 -
CVSS Base Score: 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P
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