openSUSE up to 13.2 dracut Package module-setup.sh link following

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in openSUSE up to 13.2. Affected is an unknown function of the file modules.d/90crypt/module-setup.sh of the component dracut Package. The manipulation leads to link following. This vulnerability is referenced as CVE-2015-0794. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in openSUSE up to 13.2. This issue affects an unknown code of the file modules.d/90crypt/module-setup.sh of the component dracut Package. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

modules.d/90crypt/module-setup.sh in the dracut package before 037-17.30.1 in openSUSE 13.2 allows local users to have unspecified impact via a symlink attack on /tmp/dracut_block_uuid.map.

The weakness was published 11/19/2015 (Website). The advisory is shared at lists.opensuse.org. The identification of this vulnerability is CVE-2015-0794 since 01/07/2015. An attack has to be approached locally. A simple authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 86923 (openSUSE Security Update : dracut (openSUSE-2015-765)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168187 (SUSE Enterprise Linux Security update for dracut (SUSE-SU-2015:2065-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (86923) and Vulnerability Center (SBV-54674†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Link following
CWE: CWE-59
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: 86923
Nessus Name: openSUSE Security Update : dracut (openSUSE-2015-765)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2015 🔍
11/11/2015 +308 days 🔍
11/19/2015 +8 days 🔍
11/19/2015 +0 days 🔍
11/19/2015 +0 days 🔍
11/19/2015 +0 days 🔍
11/20/2015 +1 days 🔍
11/30/2015 +10 days 🔍
12/02/2024 +3290 days 🔍

Sourcesinfo

Advisory: lists.opensuse.org
Status: Confirmed

CVE: CVE-2015-0794 (🔍)
GCVE (CVE): GCVE-0-2015-0794
GCVE (VulDB): GCVE-100-79265
Vulnerability Center: 54674 - Dracut Package <037-17.30.1 in openSUSE 13.2 Local Unspecified Vulnerability via a Symlink Attack, High

Entryinfo

Created: 11/20/2015 09:22
Updated: 12/02/2024 03:54
Changes: 11/20/2015 09:22 (53), 05/09/2018 11:39 (8), 12/02/2024 03:54 (22)
Complete: 🔍
Cache ID: 216::103

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

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