VDB-26231 · CVE-2005-2809 · BID 14716

silc Secure Internet Live Conferencing up to 1.0 silcd.c symlink

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in silc Secure Internet Live Conferencing up to 1.0. The impacted element is an unknown function of the file silcd.c. The manipulation leads to symlink. This vulnerability is documented as CVE-2005-2809. There is not any exploit available.

Detailsinfo

A vulnerability was found in silc Secure Internet Live Conferencing up to 1.0 and classified as problematic. This issue affects some unknown functionality of the file silcd.c. The manipulation with an unknown input leads to a symlink vulnerability. Using CWE to declare the problem leads to CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. Impacted is integrity. The summary by CVE is:

silc daemon (silcd.c) in Secure Internet Live Conferencing (SILC) 1.0 and earlier allows local users to overwrite arbitrary files via a symlink attack on the silcd.[PID].stats temporary file.

The weakness was released 09/07/2005 by Eric Romang (Website). It is possible to read the advisory at bugs.gentoo.org. The identification of this vulnerability is CVE-2005-2809 since 09/07/2005. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 14716†) and Secunia (SA16659†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

silc

Name

Secure Internet Live Conferencing

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/01/2005 🔍
09/01/2005 +0 days 🔍
09/07/2005 +6 days 🔍
09/07/2005 +0 days 🔍
09/07/2005 +0 days 🔍
03/11/2015 +3472 days 🔍
06/24/2018 +1201 days 🔍

Sourcesinfo

Advisory: bugs.gentoo.org
Researcher: Eric Romang
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-2809 (🔍)
GCVE (CVE): GCVE-0-2005-2809
GCVE (VulDB): GCVE-100-26231
SecurityFocus: 14716 - SILC Server Insecure Temporary File Creation Vulnerability
Secunia: 16659 - SILC Server and Toolkit Insecure Temporary File Creation, Less Critical

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/24/2018 12:42
Changes: 03/11/2015 23:39 (49), 06/24/2018 12:42 (7)
Complete: 🔍
Cache ID: 216::103