Cybozu Office up to 10.4.0 Breadcrumb Trail information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.3 | $0-$5k | 0.00 |
A vulnerability has been found in Cybozu Office up to 10.4.0 (Office Suite Software) and classified as problematic. This vulnerability affects an unknown code of the component Breadcrumb Trail. 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. CVE summarizes:
The "breadcrumb trail" component in Cybozu Office 9.0.0 through 10.4.0 allows remote authenticated users to read the names of closed projects.
The bug was discovered 10/03/2016. The weakness was disclosed 04/17/2017 by Yuji Tounai (Website). The advisory is available at jvn.jp. This vulnerability was named CVE-2016-4872 since 05/17/2016. The attack can be initiated remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
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 entries 99917 and 99923 are pretty similar.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.3
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
05/17/2016 🔍10/03/2016 🔍
10/07/2016 🔍
04/17/2017 🔍
04/17/2017 🔍
04/18/2017 🔍
08/31/2020 🔍
Sources
Advisory: jvn.jpResearcher: Yuji Tounai
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-4872 (🔍)
SecurityFocus: 93461 - Cybozu Office Multiple Security Bypass Vulnerabilities
OSVDB: - CVE-2016-4872 - Cybozu - Office - Security Bypass Issue
See also: 🔍
Entry
Created: 04/18/2017 10:31Updated: 08/31/2020 16:34
Changes: 04/18/2017 10:31 (60), 08/31/2020 16:34 (5)
Complete: 🔍
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