Redmine up to 2.6.7/3.0.5/3.1.1 application_controller.rb valid_back_url redirect

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Redmine up to 2.6.7/3.0.5/3.1.1. This issue affects the function valid_back_url of the file app/controllers/application_controller.rb. The manipulation of the argument back_url with the input @attacker.com results in redirect. This vulnerability was named CVE-2015-8474. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Redmine up to 2.6.7/3.0.5/3.1.1 (Project Management Software). Affected is the function valid_back_url of the file app/controllers/application_controller.rb. The manipulation of the argument back_url with the input value @attacker.com leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Open redirect vulnerability in the valid_back_url function in app/controllers/application_controller.rb in Redmine before 2.6.7, 3.0.x before 3.0.5, and 3.1.x before 3.1.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted back_url parameter, as demonstrated by "@attacker.com," a different vulnerability than CVE-2014-1985.

The weakness was presented 04/12/2016 by Matthias Geerdsen (Website). The advisory is available at debian.org. This vulnerability is traded as CVE-2015-8474 since 12/03/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 87293 (FreeBSD : redmine -- open redirect vulnerability (3ec2e0bc-9ed7-11e5-8f5c-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175683 (Debian Security Update for redmine (DSA 3529-1)).

Upgrading to version 2.6.8, 3.0.6 or 3.1.2 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (87293) and SecurityFocus (BID 78625†). See VDB-82216, VDB-82217 and VDB-82219 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.4
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87293
Nessus Name: FreeBSD : redmine -- open redirect vulnerability (3ec2e0bc-9ed7-11e5-8f5c-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703529
OpenVAS Name: Debian Security Advisory DSA 3529-1 (redmine - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Redmine 2.6.8/3.0.6/3.1.2
Patch: github.com

Timelineinfo

12/03/2015 🔍
12/03/2015 +0 days 🔍
12/09/2015 +6 days 🔍
12/09/2015 +0 days 🔍
04/12/2016 +124 days 🔍
04/12/2016 +0 days 🔍
04/13/2016 +1 days 🔍
07/13/2022 +2282 days 🔍

Sourcesinfo

Product: github.com

Advisory: 032f2c9be6520d9d1a1608aa4f1d5d1f184f2472
Researcher: Matthias Geerdsen
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8474 (🔍)
GCVE (CVE): GCVE-0-2015-8474
GCVE (VulDB): GCVE-100-82218

OVAL: 🔍

SecurityFocus: 78625 - Redmine CVE-2015-8474 Open Redirection Vulnerability

See also: 🔍

Entryinfo

Created: 04/13/2016 10:00
Updated: 07/13/2022 19:42
Changes: 04/13/2016 10:00 (54), 10/05/2018 07:39 (28), 07/13/2022 19:42 (5)
Complete: 🔍
Cache ID: 216::103

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