Cybozu Garoon up to 4.2.6 Access Restriction cross site scripting

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 (≈)
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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.
4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cybozu Garoon up to 4.2.6. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Access Restriction. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2018-0532. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in Cybozu Garoon up to 4.2.6 (Groupware Software) and classified as critical. This vulnerability affects some unknown processing of the component Access Restriction. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Cybozu Garoon 3.0.0 to 4.2.6 allows remote authenticated attackers to bypass access restriction to alter setting data of the Standard database via unspecified vectors.

The bug was discovered 04/09/2018. The weakness was presented 04/16/2018 (Website). The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2018-0532 since 11/27/2017. The attack can be initiated remotely. Required for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 7 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.

See VDB-116246, VDB-116247, VDB-116249 and VDB-116250 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

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

NVD Base Score: 2.7
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/27/2017 🔍
04/09/2018 +133 days 🔍
04/16/2018 +6 days 🔍
04/16/2018 +0 days 🔍
04/16/2018 +0 days 🔍
01/25/2020 +649 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-0532 (🔍)
GCVE (CVE): GCVE-0-2018-0532
GCVE (VulDB): GCVE-100-116248
See also: 🔍

Entryinfo

Created: 04/16/2018 22:08
Updated: 01/25/2020 11:14
Changes: 04/16/2018 22:08 (58), 01/25/2020 11:14 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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