Cybozu Office up to 10.4.0 Project cross site scripting

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

A vulnerability was found in Cybozu Office up to 10.4.0 (Office Suite Software). It has been declared as problematic. This vulnerability affects the function Project. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. As an impact it is known to affect integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors.

The bug was discovered 10/03/2016. The weakness was released 04/17/2017 by Kusano Kazuhiko (Website). The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2016-4866 since 05/17/2016. The attack can be initiated remotely. The requirement for exploitation is a single authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is 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 196 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.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93281). Entries connected to this vulnerability are available at 99915 and 99920.

Productinfoedit

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CPE 2.3infoedit

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VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Cross site scripting
CWE: CWE-79
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

05/17/2016 🔍
10/03/2016 +139 days 🔍
10/03/2016 +0 days 🔍
04/17/2017 +196 days 🔍
04/17/2017 +0 days 🔍
04/18/2017 +1 days 🔍
08/31/2020 +1231 days 🔍

Sourcesinfoedit

Advisory: jvn.jp
Researcher: Kusano Kazuhiko
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4866 (🔍)
SecurityFocus: 93281 - Cybozu Office Multiple Cross Site Scripting Vulnerabilities
OSVDB: - CVE-2016-4866 - Cybozu - Office - Cross-Site Scripting Issue

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Entryinfoedit

Created: 04/18/2017 10:27 AM
Updated: 08/31/2020 04:22 PM
Changes: (5) vulnerability_discoverydate advisory_person_name source_osvdb_title source_securityfocus_date source_securityfocus_class
Complete: 🔍

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