VDB-161216 · CVE-2020-13300 · GCVE-0-2020-13300

GitLab up to 13.3.3 OAuth Authorization privileges management

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GitLab up to 13.3.3. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component OAuth Authorization. Such manipulation leads to privileges management. This vulnerability is documented as CVE-2020-13300. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab up to 13.3.3 (Bug Tracking Software). It has been rated as critical. Affected by this issue is some unknown processing of the component OAuth Authorization. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

GitLab before version 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

The weakness was released 09/14/2020 (Website). The advisory is shared for download at gitlab.com. This vulnerability is handled as CVE-2020-13300 since 05/21/2020. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 13.3.4 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-161220, VDB-161219, VDB-161218 and VDB-161217. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.8
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.0
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

Class: Privileges management
CWE: CWE-269 / CWE-266
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 13.3.4

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-2020-13300 (🔍)
GCVE (CVE): GCVE-0-2020-13300
GCVE (VulDB): GCVE-100-161216
See also: 🔍

Entryinfo

Created: 09/15/2020 07:46
Updated: 09/15/2020 07:51
Changes: 09/15/2020 07:46 (39), 09/15/2020 07:51 (12)
Complete: 🔍
Cache ID: 216::103

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