SuSE Linux Enterprise up to 12 SP1 yast2-users /etc/shadow credentials management

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in SuSE Linux Enterprise up to 12 SP1 and classified as critical. This issue affects some unknown processing of the file /etc/shadow of the component yast2-users. Performing a manipulation results in credentials management. This vulnerability is identified as CVE-2016-1601. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, was found in SuSE Linux Enterprise up to 12 SP1 (Operating System). This affects an unknown part of the file /etc/shadow of the component yast2-users. The manipulation with an unknown input leads to a credentials management vulnerability. CWE is classifying the issue as CWE-255. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

yast2-users before 3.1.47, as used in SUSE Linux Enterprise 12 SP1, does not properly set empty password fields in /etc/shadow during an AutoYaST installation when the profile does not contain inst-sys users, which might allow attackers to have unspecified impact via unknown vectors.

The weakness was released 04/26/2016 (Website). It is possible to read the advisory at build.opensuse.org. This vulnerability is uniquely identified as CVE-2016-1601 since 01/11/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/14/2024). The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 90907 (openSUSE Security Update : yast2-users (openSUSE-2016-555)), 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 168825 (OpenSuSE Security Update for yast2-users (openSUSE-SU-2016:1226-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (90907). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90907
Nessus Name: openSUSE Security Update : yast2-users (openSUSE-2016-555)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801926
OpenVAS Name: SuSE Update for yast2-users openSUSE-SU-2016:1226-1 (yast2-users)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/11/2016 🔍
04/26/2016 +105 days 🔍
04/26/2016 +0 days 🔍
04/27/2016 +1 days 🔍
05/04/2016 +6 days 🔍
05/05/2016 +1 days 🔍
10/14/2024 +3084 days 🔍

Sourcesinfo

Vendor: suse.com

Advisory: build.opensuse.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-1601 (🔍)
GCVE (CVE): GCVE-0-2016-1601
GCVE (VulDB): GCVE-100-82911

Entryinfo

Created: 04/27/2016 10:31
Updated: 10/14/2024 01:06
Changes: 04/27/2016 10:31 (62), 10/26/2018 08:53 (11), 10/14/2024 01:06 (18)
Complete: 🔍
Cache ID: 216::103

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