element-hq synapse up to 1.120.0 Sliding Sync information expsure

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 classified as problematic was found in element-hq synapse up to 1.120.0. Affected by this vulnerability is an unknown functionality of the component Sliding Sync. Such manipulation leads to information expsure. This vulnerability is listed as CVE-2024-53867. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in element-hq synapse up to 1.120.0. It has been rated as problematic. Affected by this issue is an unknown function of the component Sliding Sync. The manipulation with an unknown input leads to a information expsure vulnerability. Using CWE to declare the problem leads to CWE-497. The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does. Impacted is confidentiality. CVE summarizes:

Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-53867 since 11/22/2024. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 212753 (Fedora 41 : matrix-synapse (2024-4cadba7a29)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.120.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (212753). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

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

CNA Base Score: 4.3
CNA Vector (GitHub_M): 🔍

CVSSv2info

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

Exploitinginfo

Class: Information expsure
CWE: CWE-497
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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Nessus ID: 212753
Nessus Name: Fedora 41 : matrix-synapse (2024-4cadba7a29)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: synapse 1.120.1

Timelineinfo

11/22/2024 🔍
12/03/2024 +11 days 🔍
12/03/2024 +0 days 🔍
12/13/2024 +10 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-53867 (🔍)
GCVE (CVE): GCVE-0-2024-53867
GCVE (VulDB): GCVE-100-286748

Entryinfo

Created: 12/03/2024 18:25
Updated: 12/13/2024 13:05
Changes: 12/03/2024 18:25 (63), 12/13/2024 13:05 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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