Vulnerability identifier: #VU25826

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-601

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 attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data on internal links. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Gitea: 0.9.99 - 1.11.2

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External links
http://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGOGITEAGITEA-559122
http://github.com/go-gitea/gitea/issues/4332
http://github.com/go-gitea/gitea/pull/10462

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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.