VDB-238549 · CVE-2023-3950 · Issue 419675

GitLab Enterprise Edition up to 16.2.4/16.3.0 Public Key information disclosure

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.
4.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in GitLab Enterprise Edition up to 16.2.4/16.3.0 and classified as problematic. This vulnerability affects unknown code of the component Public Key Handler. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2023-3950. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in GitLab Enterprise Edition up to 16.2.4/16.3.0 (Bug Tracking Software) and classified as problematic. Affected by this vulnerability is an unknown part of the component Public Key Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

An information disclosure issue in GitLab EE affecting all versions from 16.2 prior to 16.2.5, and 16.3 prior to 16.3.1 allowed other Group Owners to see the Public Key for a Google Cloud Logging audit event streaming destination, if configured. Owners can now only write the key, not read it.

The weakness was shared 09/01/2023 as 419675. The advisory is shared at gitlab.com. This vulnerability is known as CVE-2023-3950 since 07/25/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 16.2.5 or 16.3.1 eliminates this vulnerability.

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Productinfo

Type

Bug Tracking Software

Vendor

GitLab

Name

Enterprise Edition

Version

License

commercial

Website

Vendor: https://gitlab.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.8
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector (GitLab Inc.): 🔍

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: Information disclosure
CWE: CWE-200 / CWE-284 / 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: Enterprise Edition 16.2.5/16.3.1

Timelineinfo

07/25/2023 🔍
09/01/2023 +38 days 🔍
09/01/2023 +0 days 🔍
09/29/2023 +28 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 419675
Status: Confirmed

CVE: CVE-2023-3950 (🔍)
GCVE (CVE): GCVE-0-2023-3950
GCVE (VulDB): GCVE-100-238549

Entryinfo

Created: 09/01/2023 14:25
Updated: 09/29/2023 10:04
Changes: 09/01/2023 14:25 (51), 09/29/2023 10:04 (11)
Complete: 🔍
Cache ID: 216::103