udev 1.4.0 Terminal plymouth-pretrigger.sh access control

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in udev 1.4.0 and classified as critical. The impacted element is an unknown function of the file plymouth-pretrigger.sh of the component Terminal. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2010-4176. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in udev 1.4.0. This issue affects an unknown part of the file plymouth-pretrigger.sh of the component Terminal. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality. The summary by CVE is:

plymouth-pretrigger.sh in dracut and udev, when running on Fedora 13 and 14, sets weak permissions for the /dev/systty device file, which allows remote authenticated users to read terminal data from tty0 for local users.

The weakness was disclosed 12/07/2010 by Tavis Ormandy as Bug 654935 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2010-4176. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 50972 (Fedora 13 : udev-153-5.fc13 (2010-17912)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

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 Tenable (50972), SecurityFocus (BID 45046†) and Vulnerability Center (SBV-28397†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: 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: 🔍

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Nessus ID: 50972
Nessus Name: Fedora 13 : udev-153-5.fc13 (2010-17912)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 862698
OpenVAS Name: Fedora Update for udev FEDORA-2010-17912
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/2010 🔍
11/17/2010 +13 days 🔍
11/24/2010 +7 days 🔍
11/29/2010 +5 days 🔍
12/03/2010 +4 days 🔍
12/07/2010 +4 days 🔍
12/07/2010 +0 days 🔍
03/19/2015 +1563 days 🔍
10/06/2021 +2393 days 🔍

Sourcesinfo

Advisory: Bug 654935
Researcher: Tavis Ormandy
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-4176 (🔍)
GCVE (CVE): GCVE-0-2010-4176
GCVE (VulDB): GCVE-100-55667
SecurityFocus: 45046 - Fedora 'Dracut' Package Insecure File Permissions Vulnerability
Secunia: 42342
Vulnerability Center: 28397 - Fedora Dracut Creates Files with Insecure Permissions Allowing Sensitive Information Disclosure, Low

Entryinfo

Created: 03/19/2015 14:37
Updated: 10/06/2021 13:38
Changes: 03/19/2015 14:37 (59), 03/10/2017 10:22 (9), 10/06/2021 13:32 (5), 10/06/2021 13:38 (1)
Complete: 🔍
Cache ID: 216::103

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

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