Mattermost up to 8.1.7/9.1.4/9.2.3 Custom Emoji resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Mattermost up to 8.1.7/9.1.4/9.2.3. The affected element is an unknown function of the component Custom Emoji Handler. The manipulation leads to resource consumption. This vulnerability is referenced as CVE-2024-1402. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mattermost up to 8.1.7/9.1.4/9.2.3. This issue affects some unknown functionality of the component Custom Emoji 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:

Mattermost fails to check if a custom emoji reaction exists when sending it to a post and to limit the amount of custom emojis allowed to be added in a post, allowing an attacker sending a huge amount of non-existent custom emojis in a post to crash the mobile app of a user seeing the post. 

The weakness was published 02/09/2024 by Gian Klug. The advisory is shared at mattermost.com. The identification of this vulnerability is CVE-2024-1402 since 02/09/2024. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 8.1.8, 9.1.5, 9.2.4 or 9.3.0 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (Mattermost, 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: Mattermost 8.1.8/9.1.5/9.2.4/9.3.0

Timelineinfo

02/09/2024 🔍
02/09/2024 +0 days 🔍
02/09/2024 +0 days 🔍
03/03/2024 +23 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Gian Klug
Status: Confirmed

CVE: CVE-2024-1402 (🔍)
GCVE (CVE): GCVE-0-2024-1402
GCVE (VulDB): GCVE-100-253325

Entryinfo

Created: 02/09/2024 17:07
Updated: 03/03/2024 08:41
Changes: 02/09/2024 17:07 (49), 03/03/2024 08:41 (10)
Complete: 🔍
Cache ID: 216::103

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