Vulnerability identifier: #VU35949

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11576

CWE-ID: CWE-255

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gitea
Web applications / Modules and components for CMS

Vendor: The Gitea Authors

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Gitea before 1.8.0 allows 1FA for user accounts that have completed 2FA enrollment. If a user's credentials are known, then an attacker could send them to the API without requiring the 2FA one-time password.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Gitea: 1.0.0 - 1.7.6

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External links
http://blog.gitea.io/2019/04/gitea-1.8.0-is-released/
http://github.com/go-gitea/gitea/pull/6674

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Q & A

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.