ecryptfs-utils up to 89 Access Restriction credentials management

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in ecryptfs-utils up to 89. Impacted is an unknown function of the component Access Restriction. The manipulation leads to credentials management. This vulnerability is documented as CVE-2011-1835. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in ecryptfs-utils up to 89. It has been rated as problematic. This issue affects some unknown processing of the component Access Restriction. The manipulation with an unknown input leads to a credentials management vulnerability. Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The encrypted private-directory setup process in utils/ecryptfs-setup-private in ecryptfs-utils before 90 does not properly ensure that the passphrase file is created, which might allow local users to bypass intended access restrictions at a certain time in the new-user creation steps.

The weakness was released 02/15/2014 by Marc Deslauriers (Website). The advisory is shared at launchpad.net. The identification of this vulnerability is CVE-2011-1835 since 04/27/2011. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 56273 (CentOS 5 : ecryptfs-utils (CESA-2011:1241)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119656 (CentOS Security Update for eCryptfs (CESA-2011:1241)).

Upgrading to version 80 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (69146), Tenable (56273), SecurityFocus (BID 49108†) and Vulnerability Center (SBV-32759†). Entries connected to this vulnerability are available at VDB-62530, VDB-66403, VDB-66402 and VDB-66400. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56273
Nessus Name: CentOS 5 : ecryptfs-utils (CESA-2011:1241)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 70701
OpenVAS Name: Debian Security Advisory DSA 2382-1 (ecryptfs-utils)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ecryptfs-utils 80

Timelineinfo

04/27/2011 🔍
08/10/2011 +105 days 🔍
08/10/2011 +0 days 🔍
08/18/2011 +8 days 🔍
02/15/2014 +912 days 🔍
02/15/2014 +0 days 🔍
03/24/2015 +402 days 🔍
02/01/2022 +2506 days 🔍

Sourcesinfo

Advisory: RHSA-2011:1241
Researcher: Marc Deslauriers
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1835 (🔍)
GCVE (CVE): GCVE-0-2011-1835
GCVE (VulDB): GCVE-100-66401

OVAL: 🔍

X-Force: 69146
SecurityFocus: 49108 - Linux Kernel eCryptfs Multiple Vulnerabilities
Vulnerability Center: 32759 - Linux Kernel 2.6-3.0.1 Local Bypass Restrictions via Key Modification Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 02/01/2022 17:25
Changes: 03/24/2015 15:54 (60), 03/30/2017 09:27 (12), 02/01/2022 17:18 (3), 02/01/2022 17:25 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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