VDB-161225 · CVE-2020-13312 · GCVE-0-2020-13312

GitLab up to 13.1.9/13.2.7/13.3.3 OAuth Endpoint Parameter Brute Force improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in GitLab up to 13.1.9/13.2.7/13.3.3. This impacts an unknown function of the component OAuth Endpoint. The manipulation as part of Parameter leads to improper authentication (Brute Force). This vulnerability is referenced as CVE-2020-13312. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab up to 13.1.9/13.2.7/13.3.3 (Bug Tracking Software). It has been rated as problematic. This issue affects an unknown functionality of the component OAuth Endpoint. The manipulation as part of a Parameter leads to a improper authentication vulnerability (Brute Force). Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality. The summary by CVE is:

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

The weakness was published 09/14/2020 (Website). The advisory is shared at gitlab.com. The identification of this vulnerability is CVE-2020-13312 since 05/21/2020. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 13.1.10, 13.2.8 or 13.3.4 eliminates this vulnerability.

Similar entries are available at VDB-161229, VDB-161228, VDB-161227 and VDB-161226. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Bug Tracking Software

Name

GitLab

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Name: Brute Force
Class: Improper authentication / Brute Force
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GitLab 13.1.10/13.2.8/13.3.4

Timelineinfo

05/21/2020 🔍
09/14/2020 +116 days 🔍
09/15/2020 +1 days 🔍
09/15/2020 +0 days 🔍

Sourcesinfo

Advisory: gitlab.com
Status: Not defined

CVE: CVE-2020-13312 (🔍)
GCVE (CVE): GCVE-0-2020-13312
GCVE (VulDB): GCVE-100-161225
See also: 🔍

Entryinfo

Created: 09/15/2020 08:37
Updated: 09/15/2020 08:42
Changes: 09/15/2020 08:37 (42), 09/15/2020 08:42 (12)
Complete: 🔍
Cache ID: 216::103

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