Mattermost up to 7.8.7/7.9.5/7.10.3 Attachment authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Mattermost up to 7.8.7/7.9.5/7.10.3. It has been classified as problematic. Affected by this issue is some unknown functionality of the component Attachment Handler. This manipulation causes authorization. This vulnerability is handled as CVE-2023-4105. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Mattermost up to 7.8.7/7.9.5/7.10.3. It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Attachment Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality. The summary by CVE is:

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

The weakness was released 08/11/2023. The advisory is shared at mattermost.com. This vulnerability is known as CVE-2023-4105 since 08/02/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.8.8, 7.9.6 or 7.10.4 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 3.1
CNA Vector (Mattermost, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
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: Mattermost 7.8.8/7.9.6/7.10.4

Timelineinfo

08/02/2023 🔍
08/11/2023 +9 days 🔍
08/11/2023 +0 days 🔍
09/08/2023 +28 days 🔍

Sourcesinfo

Advisory: mattermost.com
Status: Confirmed

CVE: CVE-2023-4105 (🔍)
GCVE (CVE): GCVE-0-2023-4105
GCVE (VulDB): GCVE-100-236941

Entryinfo

Created: 08/11/2023 09:32
Updated: 09/08/2023 08:34
Changes: 08/11/2023 09:32 (46), 08/25/2023 13:16 (2), 09/08/2023 08:34 (11)
Complete: 🔍
Cache ID: 216::103

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