Buffer overflow in lib/silcclient/client_notify.c of SILC Client and SILC Toolkit before 1.1.2 allows remote attackers to cause a denial of service via "NICK_CHANGE" notifications.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service
Official Statement from Red Hat (07/17/2007)
Not vulnerable. libsilc was not shipped with Enterprise Linux 2.1 or 3. This issue did not affect the versions of libsilc as shipped with Red Hat Enterprise Linux 4 or 5.
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Vulnerable software and versions