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Last updated: 5/27/2016 12:36:05 AM

CVE Publication rate: 21.13

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Vulnerability Workload Index: 12.72
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National Cyber Awareness System

Vulnerability Summary for CVE-2008-7159

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


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.8 MEDIUM
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: 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: CONFIRM
Name: http://silcnet.org/general/news/news_toolkit.php
Type: Advisory; Patch Information
External Source: BID
Name: 36192
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20090831 CVE id request: silc-toolkit
Type: Patch Information
External Source: CONFIRM
Name: http://silcnet.org/docs/changelog/SILC%20Toolkit%201.1.8
Type: Advisory; Patch Information
External Source: SUSE
Name: SUSE-SR:2009:016
External Source: MANDRIVA
Name: MDVSA-2009:234
External Source: DEBIAN
Name: DSA-1879
Type: Patch Information
External Source: XF
Name: silctoolkit-silcasn1encoder-format-string(53477)
External Source: MLIST
Name: [oss-security] 20090903 Re: CVE id request: silc-toolkit

Technical Details

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