Mandriva Linux Security Advisory 2009-235 – Multiple format string vulnerabilities in lib/silcclient/client_entry.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client before 1.1.8, allow remote attackers to execute arbitrary code via format string specifiers in a nickname field, related to the (1) silc_client_add_client, (2) silc_client_update_client, and (3) silc_client_nickname_format functions. Multiple format string vulnerabilities in lib/silcclient/command.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client 1.1.8 and earlier, allow remote attackers to execute arbitrary code via format string specifiers in a channel name, related to (1) silc_client_command_topic, (2) silc_client_command_kick, (3) silc_client_command_leave, and (4) silc_client_command_users. This update provides a solution to these vulnerabilities.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81350/MDVSA-2009-235.txt
Source: https://packetstormsecurity.com/files/81350/Mandriva-Linux-Security-Advisory-2009-235.html