CVE-2009-3051

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-09-10 · updated 2026-06-16
Weakness: CWE-134

Description

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.

Affected products

Silcnet Silc Client: through 1.1.7; 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.6
Silcnet Silc Toolkit: through 1.1.9; 1.1, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5 (+2)

References

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

Get alerted when CVE-2009-3051 or the next vulnerability affects your stack