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Last updated: 5/31/2016 3:56:21 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-3051

Original release date: 09/10/2009
Last revised: 10/22/2012


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 HIGH
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/11/2009)
Not vulnerable. This issue did not affect the versions of libsilc as shipped with Red Hat Enterprise Linux 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: MANDRIVA
Name: MDVSA-2009:235
External Source: CONFIRM
Name: http://silcnet.org/general/news/news_client.php
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://silcnet.org/docs/changelog/SILC%20Client%201.1.8
Type: Advisory
External Source: MLIST
Name: [oss-security] 20090903 Re: CVE id request: silc-toolkit
External Source: CONFIRM
Name: http://silcnet.org/general/news/news_toolkit.php
Type: Advisory; Patch Information
External Source: DEBIAN
Name: DSA-1879
Type: Patch Information
External Source: CONFIRM
Name: http://silcnet.org/docs/release/SILC%20Client%201.1.8
Type: Advisory
External Source: VUPEN
Name: ADV-2009-2150
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://silcnet.org/docs/changelog/SILC%20Toolkit%201.1.10
Type: Advisory
External Source: SUSE
Name: SUSE-SR:2009:016
External Source: MANDRIVA
Name: MDVSA-2009:234
External Source: MLIST
Name: [oss-security] 20090831 CVE id request: silc-toolkit
External Source: BID
Name: 35940
Type: Patch Information

Technical Details

Vulnerability Type (View All)
  • Format String Vulnerability (CWE-134)