#VU29617 Open redirect in SHIRASAGI


Published: 2020-07-09 | Updated: 2020-07-15

Vulnerability identifier: #VU29617

Vulnerability risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-5607

CWE-ID: CWE-601

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SHIRASAGI
Web applications / CMS

Vendor: ss-proj.org

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 member login. 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 updates from vendor's website.

Vulnerable software versions

SHIRASAGI: 0.1.0 - 1.13.1


External links
http://jvn.jp/en/jp/JVN55657988/index.html
http://github.com/shirasagi/shirasagi/commit/040a02c9d4b5dd2f91c5c29c0008a47cde6ee99a.patch
http://github.com/shirasagi/shirasagi/commit/040a02c9d4b5dd2f91c5c29c0008a47cde6ee99a


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. However, proof of concept for this vulnerability is available.


Latest bulletins with this vulnerability