Mahara up to 1.8.6/1.9.4/1.10.2/15.03.x Session session expiration

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
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6.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Mahara up to 1.8.6/1.9.4/1.10.2/15.03.x. This affects an unknown part of the component Session Handler. Such manipulation leads to session expiration. This vulnerability is referenced as CVE-2017-1000135. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mahara up to 1.8.6/1.9.4/1.10.2/15.03.x (Content Management System). Affected by this issue is an unknown code block of the component Session Handler. The manipulation with an unknown input leads to a session expiration vulnerability. Using CWE to declare the problem leads to CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." Impacted is confidentiality, integrity, and availability. CVE summarizes:

Mahara 1.8 before 1.8.7 and 1.9 before 1.9.5 and 1.10 before 1.10.3 and 15.04 before 15.04.0 are vulnerable as logged-in users can stay logged in after the institution they belong to is suspended.

The bug was discovered 04/20/2015. The weakness was published 11/03/2017 (Website). The advisory is shared for download at bugs.launchpad.net. This vulnerability is handled as CVE-2017-1000135 since 11/02/2017. The attack may be launched remotely. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 928 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.8.7, 1.9.5, 1.10.3 or 15.04.0 eliminates this vulnerability.

Similar entries are available at VDB-109104, VDB-109103, VDB-109102 and VDB-109101. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
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: Session expiration
CWE: CWE-613
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mahara 1.8.7/1.9.5/1.10.3/15.04.0

Timelineinfo

04/20/2015 🔍
11/02/2017 +927 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-2017-1000135 (🔍)
GCVE (CVE): GCVE-0-2017-1000135
GCVE (VulDB): GCVE-100-109100
See also: 🔍

Entryinfo

Created: 11/04/2017 16:28
Updated: 12/04/2019 10:18
Changes: 11/04/2017 16:28 (60), 12/04/2019 10:18 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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