GitLab up to 10.3.8/10.4.5/10.5.5 Auth0 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in GitLab up to 10.3.8/10.4.5/10.5.5 and classified as critical. This affects an unknown part of the component Auth0. This manipulation causes input validation. This vulnerability is registered as CVE-2018-8971. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in GitLab up to 10.3.8/10.4.5/10.5.5 (Bug Tracking Software). Affected by this vulnerability is an unknown part of the component Auth0. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Auth0 integration in GitLab before 10.3.9, 10.4.x before 10.4.6, and 10.5.x before 10.5.6 has an incorrect omniauth-auth0 configuration, leading to signing in unintended users.

The bug was discovered 03/20/2018. The weakness was published 03/24/2018 (Website). The advisory is shared at about.gitlab.com. This vulnerability is known as CVE-2018-8971 since 03/24/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109967 (Debian DSA-4206-1 : gitlab - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176387 (Debian Security Update for gitlab (DSA 4206-1)).

Upgrading to version 10.3.9, 10.4.6 or 10.5.6 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109967). Similar entry is available at VDB-114885. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Input validation
CWE: CWE-20
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: 109967
Nessus Name: Debian DSA-4206-1 : gitlab - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57980
OpenVAS Name: Debian Security Advisory DSA 4206-1 (gitlab - security update)
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: 🔍

Upgrade: GitLab 10.3.9/10.4.6/10.5.6

Timelineinfo

03/20/2018 🔍
03/24/2018 +4 days 🔍
03/24/2018 +0 days 🔍
03/24/2018 +0 days 🔍
03/25/2018 +1 days 🔍
05/21/2018 +57 days 🔍
05/23/2018 +2 days 🔍
01/16/2020 +603 days 🔍

Sourcesinfo

Advisory: about.gitlab.com
Status: Not defined

CVE: CVE-2018-8971 (🔍)
GCVE (CVE): GCVE-0-2018-8971
GCVE (VulDB): GCVE-100-114985

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 03/25/2018 10:12
Updated: 01/16/2020 11:59
Changes: 03/25/2018 10:12 (76), 01/16/2020 11:59 (2)
Complete: 🔍
Cache ID: 216::103

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

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