VDB-107993 · CVE-2015-6961 · GCVE-0-2015-6961

Web2py 2.9.11 Logout gluon/tools.py _next redirect

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Web2py 2.9.11. The affected element is an unknown function of the file gluon/tools.py of the component Logout. The manipulation of the argument _next as part of Parameter leads to redirect. This vulnerability is listed as CVE-2015-6961. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Web2py 2.9.11. This issue affects an unknown code of the file gluon/tools.py of the component Logout. The manipulation of the argument _next as part of a Parameter leads to a redirect vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Open redirect vulnerability in gluon/tools.py in Web2py 2.9.11 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the _next parameter to user/logout.

The bug was discovered 01/27/2015. The weakness was presented 10/18/2017 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2015-6961 since 09/15/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 995 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Web2py

Version

2.9.11

License

open-source

Website

Product: https://github.com/web2py/web2py/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/27/2015 🔍
09/15/2015 +231 days 🔍
10/18/2017 +764 days 🔍
10/18/2017 +0 days 🔍
10/19/2017 +1 days 🔍
01/04/2023 +1903 days 🔍

Sourcesinfo

Product: github.com

Advisory: e31a099cb3456fef471886339653430ae59056b0
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-6961 (🔍)
GCVE (CVE): GCVE-0-2015-6961
GCVE (VulDB): GCVE-100-107993

Entryinfo

Created: 10/19/2017 09:19
Updated: 01/04/2023 08:10
Changes: 10/19/2017 09:19 (59), 11/26/2019 08:07 (2), 01/04/2023 08:10 (5)
Complete: 🔍
Cache ID: 216::103