Mahara up to 15.04.9/15.10.5/16.04.3 Password Reset Link access control

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.
7.7$0-$5k0.00

A vulnerability classified as critical was found in Mahara up to 15.04.9/15.10.5/16.04.3 (Content Management System). Affected by this vulnerability is an unknown functionality of the component Password Reset Link. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Mahara 15.04 before 15.04.10 and 15.10 before 15.10.6 and 16.04 before 16.04.4 are vulnerable to incorrect access control after the password reset link is sent via email and then user changes default email, Mahara fails to invalidate old link.Consequently the link in email can be used to gain access to the user's account.

The bug was discovered 10/25/2016. The weakness was disclosed 11/03/2017 (Website). The advisory is shared at bugs.launchpad.net. This vulnerability is known as CVE-2017-1000153 since 11/02/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 374 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 15.04.10, 15.10.6 or 16.04.4 eliminates this vulnerability.

The entries 109121, 109120, 109119 and 109118 are pretty similar.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mahara 15.04.10/15.10.6/16.04.4

Timelineinfo

10/25/2016 🔍
11/02/2017 +373 days 🔍
11/03/2017 +1 days 🔍
11/03/2017 +0 days 🔍
11/04/2017 +1 days 🔍
12/04/2019 +760 days 🔍

Sourcesinfo

Advisory: bugs.launchpad.net
Status: Not defined

CVE: CVE-2017-1000153 (🔍)
See also: 🔍

Entryinfo

Created: 11/04/2017 16:31
Updated: 12/04/2019 12:01
Changes: 11/04/2017 16:31 (60), 12/04/2019 12:01 (1)
Complete: 🔍

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