CMS Made Simple up to 2.2.4 Login Cache information disclosure

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.
9.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in CMS Made Simple up to 2.2.4. This impacts an unknown function of the component Login Cache. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2017-17735. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in CMS Made Simple up to 2.2.4 (Content Management System). It has been declared as critical. Affected by this vulnerability is an unknown code of the component Login Cache. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

CMS Made Simple (CMSMS) before 2.2.5 does not properly cache login information in cookies.

The bug was discovered 12/17/2017. The weakness was shared 12/18/2017 (Website). It is possible to read the advisory at forum.cmsmadesimple.org. This vulnerability is known as CVE-2017-17735 since 12/18/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.2.5 eliminates this vulnerability.

The entry VDB-110778 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS Made Simple 2.2.5

Timelineinfo

12/17/2017 🔍
12/18/2017 +1 days 🔍
12/18/2017 +0 days 🔍
12/18/2017 +0 days 🔍
12/18/2017 +0 days 🔍
12/15/2019 +727 days 🔍

Sourcesinfo

Advisory: forum.cmsmadesimple.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-17735 (🔍)
GCVE (CVE): GCVE-0-2017-17735
GCVE (VulDB): GCVE-100-110779
See also: 🔍

Entryinfo

Created: 12/18/2017 14:53
Updated: 12/15/2019 20:58
Changes: 12/18/2017 14:53 (59), 12/15/2019 20:58 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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