Vulnerability identifier: #VU29285
Vulnerability risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-287
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
desktop
Client/Desktop applications /
Other client software
Vendor: Mattermost, Inc.
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the Same Origin Policy is mishandled during access-control decisions for web APIs which allows 3rd-party origins access to restricted web APIs. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
desktop: 0.1.0 - 4.3.2
External links
http://mattermost.com/security-updates/
http://github.com/mattermost/desktop/commit/c990c417feca2350e4d19b18e098bd58d4f8dcfd
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.