Docker up to 1.12.1 runC user.go UID access control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Docker up to 1.12.1. Affected by this issue is some unknown functionality of the file libcontainer/user/user.go of the component runC. Such manipulation of the argument UID leads to access control. This vulnerability is traded as CVE-2016-3697. An attack has to be approached locally. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Docker up to 1.12.1 (Virtualization Software). It has been rated as critical. Affected by this issue is an unknown functionality of the file libcontainer/user/user.go of the component runC. The manipulation of the argument UID with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

libcontainer/user/user.go in runC before 0.1.0, as used in Docker before 1.11.2, improperly treats a numeric UID as a potential username, which allows local users to gain privileges via a numeric username in the password file in a container.

The weakness was shared 06/01/2016 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2016-3697 since 03/30/2016. The exploitation is known to be easy. The attack needs to be approached locally. The successful exploitation needs a simple authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 91401 (openSUSE Security Update : docker (openSUSE-2016-643)), 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 236180 (Red Hat Update for docker security (RHSA-2016:2634)).

Upgrading to version 1.12.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91401). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91401
Nessus Name: openSUSE Security Update : docker (openSUSE-2016-643)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801310
OpenVAS Name: Fedora Update for docker FEDORA-2016-6a0d540088
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Docker 1.12.2
Patch: github.com

Timelineinfo

03/30/2016 🔍
05/27/2016 +58 days 🔍
06/01/2016 +5 days 🔍
06/01/2016 +0 days 🔍
06/01/2016 +0 days 🔍
06/02/2016 +1 days 🔍
10/06/2024 +3048 days 🔍

Sourcesinfo

Product: github.com

Advisory: 69af385de62ea68e2e608335cffbb0f4aa3db091
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3697 (🔍)
GCVE (CVE): GCVE-0-2016-3697
GCVE (VulDB): GCVE-100-87704
scip Labs: https://www.scip.ch/en/?labs.20171019

Entryinfo

Created: 06/02/2016 13:23
Updated: 10/06/2024 18:45
Changes: 06/02/2016 13:23 (63), 12/27/2018 11:27 (11), 08/22/2022 16:41 (5), 08/22/2022 16:49 (2), 10/06/2024 18:45 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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