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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-3051
• http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
• http://secunia.com/advisories/36134
• http://secunia.com/advisories/36614
• http://silcnet.org/docs/changelog/SILC%20Client%201.1.8
• http://silcnet.org/docs/changelog/SILC%20Toolkit%201.1.10
• http://silcnet.org/docs/release/SILC%20Client%201.1.8
• http://silcnet.org/general/news/news_client.php
• http://silcnet.org/general/news/news_toolkit.php
• http://www.debian.org/security/2009/dsa-1879
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:234
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:235
• http://www.openwall.com/lists/oss-security/2009/08/31/5
• http://www.openwall.com/lists/oss-security/2009/09/03/5
• http://www.securityfocus.com/bid/35940
• http://www.vupen.com/english/advisories/2009/2150