Published:2021/08/12  Last Updated:2021/08/12

JVN#50804280
Plone vulnerable to open redirect

Overview

Plone contains an open redirect vulnerability.

Products Affected

  • Plone versions prior to 5.2.5, with versions prior to 1.2.0 of the package "Products.isurlinportal"

Description

Plone provided by Plone Foundation contains an open redirect vulnerability (CWE-601).

Impact

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

Solution

Apply the Patch
Apply the patch according to the information provided by the developer.
The developer has released the patch "Products.isurlinportal 1.2.0" for Plone 4.3 and 5 that addresses the vulnerability

According to the developer, Plone 5.2.5 that contains a fix for this vulnerability will be released.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Base Score: 4.7
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:M/Au:N/C:N/I:P/A:N
Base Score: 4.3
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

Yuji Tounai of Mitsui Bussan Secure Directions, Inc. 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-2021-32806
JVN iPedia JVNDB-2021-000076