GitLab Enterprise Edition up to 14.3.5/14.4.3/14.5.1 Comment improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in GitLab Enterprise Edition up to 14.3.5/14.4.3/14.5.1. This affects an unknown part of the component Comment Handler. This manipulation causes improper authorization. This vulnerability is tracked as CVE-2021-39918. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in GitLab Enterprise Edition up to 14.3.5/14.4.3/14.5.1 (Bug Tracking Software). Affected by this vulnerability is some unknown processing of the component Comment Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity, and availability.

The weakness was disclosed 12/13/2021 as 32991. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2021-39918. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 14.3.6, 14.4.4 or 14.5.2 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.1
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise Edition 14.3.6/14.4.4/14.5.2

Timelineinfo

08/23/2021 🔍
12/13/2021 +112 days 🔍
12/13/2021 +0 days 🔍
12/16/2021 +3 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 32991
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-39918 (🔍)
GCVE (CVE): GCVE-0-2021-39918
GCVE (VulDB): GCVE-100-188047

Entryinfo

Created: 12/13/2021 19:16
Updated: 12/16/2021 09:05
Changes: 12/13/2021 19:16 (50), 12/16/2021 09:05 (3)
Complete: 🔍
Cache ID: 216::103

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