Virtualox up to 2.0.4 ipcdUnix.cpp AcquireDaemonLock tmp/.vbox-$USER-ipc/lock link following

HistoryDiffrelatejsonxmlCTI

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Virtualox up to 2.0.4. This impacts the function AcquireDaemonLock of the file ipcdUnix.cpp. Performing a manipulation of the argument tmp/.vbox-$USER-ipc/lock results in link following. This vulnerability is cataloged as CVE-2008-5256. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Virtualox up to 2.0.4. This affects the function AcquireDaemonLock of the file ipcdUnix.cpp. The manipulation of the argument tmp/.vbox-$USER-ipc/lock with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The AcquireDaemonLock function in ipcdUnix.cpp in Sun Innotek VirtualBox before 2.0.6 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/.vbox-$USER-ipc/lock temporary file.

The bug was discovered 11/21/2008. The weakness was shared 11/26/2008 (Website). It is possible to read the advisory at virtualbox.org. This vulnerability is uniquely identified as CVE-2008-5256 since 11/26/2008. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability 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 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 40149 (openSUSE Security Update : virtualbox (virtualbox-513)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l.

Upgrading to version 1.5.4 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (46826), Tenable (40149), SecurityFocus (BID 32444†), OSVDB (50152†) and Secunia (SA32851†). The entry VDB-57290 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Virtualox

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 40149
Nessus Name: openSUSE Security Update : virtualbox (virtualbox-513)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63198
OpenVAS Name: Mandrake Security Advisory MDVSA-2009:011 (virtualbox)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Virtualox 1.5.4

Timelineinfo

11/21/2008 🔍
11/21/2008 +0 days 🔍
11/24/2008 +3 days 🔍
11/26/2008 +2 days 🔍
11/26/2008 +0 days 🔍
11/26/2008 +0 days 🔍
12/11/2008 +15 days 🔍
02/09/2009 +60 days 🔍
02/17/2009 +8 days 🔍
07/21/2009 +154 days 🔍
03/17/2015 +2065 days 🔍
08/27/2019 +1624 days 🔍

Sourcesinfo

Advisory: virtualbox.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-5256 (🔍)
GCVE (CVE): GCVE-0-2008-5256
GCVE (VulDB): GCVE-100-45219
X-Force: 46826
SecurityFocus: 32444 - VirtualBox 'ipcdUnix.cpp' Insecure Temporary File Creation Vulnerability
Secunia: 32851
OSVDB: 50152 - VirtualBox - 'ipcdUnix.cpp' Insecure Temporary File Creation Issue
SecurityTracker: 1021384
Vulnerability Center: 20920 - Sun xVM VirtualBox < 2.0.6 Vulnerability Allows Local Files Overwrite via a Symlink Attack, Low
Vupen: ADV-2008-3410

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/27/2019 14:23
Changes: 03/17/2015 16:11 (75), 08/27/2019 14:23 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.