The silc_asn1_encoder function in lib/silcasn1/silcasn1_encode.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows remote attackers to overwrite a stack location and possibly execute arbitrary code via a crafted OID value, related to incorrect use of a %lu format string.

References

• https://nvd.nist.gov/vuln/detail/CVE-2008-7159
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53477
• http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
• http://secunia.com/advisories/36614
• http://secunia.com/advisories/36625
• http://silcnet.org/docs/changelog/SILC%20Toolkit%201.1.8
• 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.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/36192