GitLab Community Edition/Enterprise Edition up to 16.2.1 Payloads CE/EE preview_markdown resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in GitLab Community Edition and Enterprise Edition up to 16.2.1. Affected by this vulnerability is the function preview_markdown of the file CE/EE of the component Payloads Handler. The manipulation leads to resource consumption. This vulnerability is referenced as CVE-2023-3364. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 16.2.1 (Bug Tracking Software) and classified as problematic. This issue affects the function preview_markdown of the file CE/EE of the component Payloads Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint.

The weakness was published 08/02/2023 as 415995. It is possible to read the advisory at gitlab.com. The identification of this vulnerability is CVE-2023-3364 since 06/22/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 8.14, 16.0.8, 16.1, 16.1.3, 16.2 or 16.2.2 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
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: Resource consumption
CWE: CWE-400 / CWE-404
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: Community Edition/Enterprise Edition 8.14/16.0.8/16.1/16.1.3/16.2/16.2.2

Timelineinfo

06/22/2023 🔍
08/02/2023 +41 days 🔍
08/02/2023 +0 days 🔍
10/03/2024 +428 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 415995
Status: Confirmed

CVE: CVE-2023-3364 (🔍)
GCVE (CVE): GCVE-0-2023-3364
GCVE (VulDB): GCVE-100-235895

Entryinfo

Created: 08/02/2023 09:47
Updated: 10/03/2024 10:28
Changes: 08/02/2023 09:47 (54), 10/03/2024 10:28 (27)
Complete: 🔍
Cache ID: 216::103

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