CVE-2008-7159 : The silc_asn1_encoder function in lib/silcasn1/silcasn1

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.

Published 2009-09-10 21:30:01

Updated 2025-04-09 00:30:58

Source MITRE

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2008-7159

Silcnet » Silc Toolkit
Versions up to, including, (<=) 1.1.6
cpe:2.3:a:silcnet:silc_toolkit:*:*:*:*:*:*:*:*
Matching versions
Silcnet » Silc Toolkit » Version: 1.1.3
cpe:2.3:a:silcnet:silc_toolkit:1.1.3:*:*:*:*:*:*:*
Matching versions
Silcnet » Silc Toolkit » Version: 1.1.4
cpe:2.3:a:silcnet:silc_toolkit:1.1.4:*:*:*:*:*:*:*
Matching versions
Silcnet » Silc Toolkit » Version: 1.1
cpe:2.3:a:silcnet:silc_toolkit:1.1:*:*:*:*:*:*:*
Matching versions
Silcnet » Silc Toolkit » Version: 1.1.5
cpe:2.3:a:silcnet:silc_toolkit:1.1.5:*:*:*:*:*:*:*
Matching versions
Silcnet » Silc Toolkit » Version: 1.1.1
cpe:2.3:a:silcnet:silc_toolkit:1.1.1:*:*:*:*:*:*:*
Matching versions
Silcnet » Silc Toolkit » Version: 1.1.2
cpe:2.3:a:silcnet:silc_toolkit:1.1.2:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2008-7159

EPSS FAQ

4.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 87 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2008-7159

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.8	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:P	8.6	4.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial

CWE ids for CVE-2008-7159

CWE-134 Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2008-7159

Red Hat 2009-09-11

Not vulnerable. This issue did not affect the versions of libsilc as shipped with Red Hat Enterprise Linux 4, or 5.

References for CVE-2008-7159

http://www.openwall.com/lists/oss-security/2009/09/03/5

CVEs referencing this url
http://www.debian.org/security/2009/dsa-1879

Patch

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2009/08/31/5

Patch

CVEs referencing this url
http://silcnet.org/docs/changelog/SILC%20Toolkit%201.1.8

Patch;Vendor Advisory
http://secunia.com/advisories/36614

Vendor Advisory

CVEs referencing this url
https://exchange.xforce.ibmcloud.com/vulnerabilities/53477
http://www.mandriva.com/security/advisories?name=MDVSA-2009:234

CVEs referencing this url
http://www.securityfocus.com/bid/36192

Patch
http://secunia.com/advisories/36625

Vendor Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html

[security-announce] SUSE Security Summary Report: SUSE-SR:2009:016 - openSUSE Security Announce - openSUSE Mailing Lists

CVEs referencing this url
http://silcnet.org/general/news/news_toolkit.php

Patch;Vendor Advisory

CVEs referencing this url