Citrix Deterministic Network Enhancer up to 3.21.7.17464 access control

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Citrix Deterministic Network Enhancer up to 3.21.7.17464. It has been declared as problematic. Impacted is an unknown function. The manipulation results in access control. This vulnerability is reported as CVE-2008-5121. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Citrix Deterministic Network Enhancer up to 3.21.7.17464 (Connectivity Software). Affected is some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cisco VPN Client, (2) Blue Coat WinProxy, and (3) SafeNet SoftRemote and HighAssurance Remote, allows local users to gain privileges via a crafted DNE_IOCTL DeviceIoControl request to the \\.\DNE device interface.

The bug was discovered 06/17/2008. The weakness was disclosed 11/17/2008 by DiGiT with Digit-Labs as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is traded as CVE-2008-5121 since 11/17/2008. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 24 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 33480 (Deterministic Network Extender 'dne2000.sys' Local Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (43153), Exploit-DB (5837), Tenable (33480), SecurityFocus (BID 29772†) and OSVDB (46272†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 33480
Nessus Name: Deterministic Network Extender 'dne2000.sys' Local Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/17/2008 🔍
06/17/2008 +0 days 🔍
06/17/2008 +0 days 🔍
07/11/2008 +24 days 🔍
07/14/2008 +3 days 🔍
11/17/2008 +126 days 🔍
11/17/2008 +0 days 🔍
11/17/2008 +0 days 🔍
03/17/2015 +2311 days 🔍
12/12/2024 +3558 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: kb.cert.org
Researcher: DiGiT
Organization: Digit-Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-5121 (🔍)
GCVE (CVE): GCVE-0-2008-5121
GCVE (VulDB): GCVE-100-45072
CERT: 🔍
X-Force: 43153
SecurityFocus: 29772 - Deterministic Network Enhancer 'dne2000.sys' Local Privilege Escalation Vulnerability
Secunia: 30728
OSVDB: 46272 - Deterministic Network Extender - 'dne2000.sys' Local Privilege Escalation Issue
Vulnerability Center: 18827 - Citrix Deterministic Network Enhancer Driver Used by Various Applications Local Privilege Escalation, High
Vupen: ADV-2008-1865

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/17/2015 16:11
Updated: 12/12/2024 03:28
Changes: 03/17/2015 16:11 (71), 08/14/2019 14:28 (9), 10/28/2024 10:08 (17), 12/12/2024 03:28 (1)
Complete: 🔍
Cache ID: 216::103

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