x2go Server up to 4.0.1.9 Privileges access control

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in x2go Server. This affects an unknown function of the component Privileges. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2013-7383. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in x2go Server. It has been declared as critical. This vulnerability affects an unknown function of the component Privileges. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

x2gocleansessions in X2Go Server before 4.0.0.8 and 4.0.1.x before 4.0.1.10 allows remote authenticated users to gain privileges via unspecified vectors, possibly related to backticks.

The weakness was presented 05/20/2014 (Website). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2013-7383 since 05/19/2014. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation requires a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 74099 (GLSA-201405-26 : X2Go Server: Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

Upgrading to version 4.0.0.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (93206), Tenable (74099), SecurityFocus (BID 65001†), OSVDB (101959†) and Vulnerability Center (SBV-44651†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

x2go

Name

Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 74099
Nessus Name: GLSA-201405-26 : X2Go Server: Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 4.0.0.2

Timelineinfo

01/13/2014 🔍
01/13/2014 +0 days 🔍
05/19/2014 +126 days 🔍
05/20/2014 +1 days 🔍
05/20/2014 +0 days 🔍
05/20/2014 +0 days 🔍
05/27/2014 +7 days 🔍
03/25/2015 +302 days 🔍
03/21/2022 +2553 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2013-7383 (🔍)
GCVE (CVE): GCVE-0-2013-7383
GCVE (VulDB): GCVE-100-69748
X-Force: 93206
SecurityFocus: 65001 - X2Go Server 'x2gocleansessions' Local Privilege Escalation Vulnerability
OSVDB: 101959
Vulnerability Center: 44651 - X2Go Server Remote Host Privilege Vulnerability due to an Error in x2gocleansessions, High

Entryinfo

Created: 03/25/2015 16:45
Updated: 03/21/2022 15:24
Changes: 03/25/2015 16:45 (61), 05/29/2017 08:51 (5), 03/21/2022 15:24 (3)
Complete: 🔍
Cache ID: 216::103