Published:2023/05/22  Last Updated:2023/05/22

JVN#45127776
Tornado vulnerable to open redirect

Overview

Tornado contains an open redirect vulnerability.

Products Affected

  • Tornado versions 6.3.1 and earlier

Description

Tornado provided by tornadoweb contains a vulnerability that triggers open redirect (CWE-601) under certain non-default configurations.

Impact

When accessing a specially crafted URL, the user of the website using the affected product may be redirected to an arbitrary website. As a result, the user may become a victim of a phishing attack.

Solution

Update the software
Update the software to the latest version according to the information provided by the developer.
The developer released Tornado version 6.3.2 that contains a fix for this vulnerability.

Vendor Status

Vendor Link
tornadoweb v6.3.2: What's new in Tornado 6.3.2

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
Base Score: 3.4
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:H/Au:N/C:N/I:P/A:N
Base Score: 2.6
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

Masashi Yamane of LAC Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2023-28370
JVN iPedia JVNDB-2023-000053