silc Silc Toolkit 1.1.2 lib/silcutil/silcutil.c silc_fingerprint memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability, which was classified as critical, was found in silc Silc Toolkit 1.1.2. Affected is the function silc_fingerprint in the library lib/silcutil/silcutil.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in the silc_fingerprint function in lib/silcutil/silcutil.c in Secure Internet Live Conferencing (SILC) Toolkit 1.1.5, and unspecified earlier versions, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via long input data. NOTE: some of these details are obtained from third party information.

The bug was discovered 02/22/2008. The weakness was shared 03/10/2008 (Website). The advisory is available at security.gentoo.org. This vulnerability is traded as CVE-2008-1227 since 03/10/2008. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 32073 (GLSA-200804-27 : SILC: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (41012) and Tenable (32073). The entry 41632 is related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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EPSS Percentile: 🔍

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Nessus ID: 32073
Nessus Name: GLSA-200804-27 : SILC: Multiple vulnerabilities
Nessus File: 🔍
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OpenVAS ID: 830413
OpenVAS Name: Mandriva Update for mysql MDVA-2012:049 (mysql)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

02/22/2008 🔍
02/22/2008 +0 days 🔍
03/02/2008 +9 days 🔍
03/05/2008 +3 days 🔍
03/10/2008 +5 days 🔍
03/10/2008 +0 days 🔍
03/10/2008 +0 days 🔍
03/17/2008 +7 days 🔍
04/24/2008 +38 days 🔍
04/28/2008 +4 days 🔍
03/16/2015 +2513 days 🔍
08/07/2019 +1605 days 🔍

Sourcesinfo

Advisory: security.gentoo.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-1227 (🔍)
X-Force: 41012
Vulnerability Center: 17875 - Secure Internet Live Conferencing (SILC) Toolkit 1.1.5 Stack Based Buffer Overflow, High
SecurityFocus: 28101 - SILC Toolkit 'silcutil.c' Function Buffer Overflow Vulnerability
Secunia: 29174 - SILC Toolkit "silc_fingerprint()" Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 42738 - SILC - Toolkit - 'silcutil.c' Function Buffer Overflow Issue
Vupen: ADV-2008-0769

See also: 🔍

Entryinfo

Created: 03/16/2015 13:43
Updated: 08/07/2019 09:26
Changes: 03/16/2015 13:43 (80), 08/07/2019 09:26 (5)
Complete: 🔍

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