element-hq element-web up to 1.11.80 information disclosure

Summaryinfo

A vulnerability identified as problematic has been detected in element-hq element-web up to 1.11.80. This vulnerability affects unknown code. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2024-47779. 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 element-hq element-web up to 1.11.80. This issue affects some unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Element is a Matrix web client built using the Matrix React SDK .Element Web versions 1.11.70 through 1.11.80 contain a vulnerability which can, under specially crafted conditions, lead to the access token becoming exposed to third parties. At least one vector has been identified internally, involving malicious widgets, but other vectors may exist. Note that despite superficial similarity to CVE-2024-47771, this is an entirely separate vulnerability, caused by a separate piece of code included only in Element Web. Element Web and Element Desktop share most but not all, of their code and this vulnerability exists in the part of the code base which is not shared between the projects. Users are strongly advised to upgrade to version 1.11.81 to remediate the issue. As a workaround, avoid granting permissions to untrusted widgets.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-47779 since 09/30/2024. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 1.11.81 eliminates this vulnerability. Applying the patch 8d7f2b5c1301129a488d3597f3839bd74203ee62 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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

Productinfo

Vendor

• element-hq

Name

• element-web

Version

• 1.11.0
• 1.11.1
• 1.11.2
• 1.11.3
• 1.11.4
• 1.11.5
• 1.11.6
• 1.11.7
• 1.11.8
• 1.11.9
• 1.11.10
• 1.11.11
• 1.11.12
• 1.11.13
• 1.11.14
• 1.11.15
• 1.11.16
• 1.11.17
• 1.11.18
• 1.11.19
• 1.11.20
• 1.11.21
• 1.11.22
• 1.11.23
• 1.11.24
• 1.11.25
• 1.11.26
• 1.11.27
• 1.11.28
• 1.11.29
• 1.11.30
• 1.11.31
• 1.11.32
• 1.11.33
• 1.11.34
• 1.11.35
• 1.11.36
• 1.11.37
• 1.11.38
• 1.11.39
• 1.11.40
• 1.11.41
• 1.11.42
• 1.11.43
• 1.11.44
• 1.11.45
• 1.11.46
• 1.11.47
• 1.11.48
• 1.11.49
• 1.11.50
• 1.11.51
• 1.11.52
• 1.11.53
• 1.11.54
• 1.11.55
• 1.11.56
• 1.11.57
• 1.11.58
• 1.11.59
• 1.11.60
• 1.11.61
• 1.11.62
• 1.11.63
• 1.11.64
• 1.11.65
• 1.11.66
• 1.11.67
• 1.11.68
• 1.11.69
• 1.11.70
• 1.11.71
• 1.11.72
• 1.11.73
• 1.11.74
• 1.11.75
• 1.11.76
• 1.11.77
• 1.11.78
• 1.11.79
• 1.11.80

License

• open-source

Website

• Product: https://github.com/element-hq/element-web/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion