Synology Drive up to 1.0.2 File Sharing Notify Toast File Name cross site scripting

CVSS Meta Temp Score
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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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Synology Drive up to 1.0.2 and classified as problematic. Impacted is an unknown function of the component File Sharing Notify Toast. Such manipulation as part of File Name leads to cross site scripting. This vulnerability is referenced as CVE-2018-8921. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Synology Drive up to 1.0.2. Affected by this issue is an unknown code of the component File Sharing Notify Toast. The manipulation as part of a File Name leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in File Sharing Notify Toast in Synology Drive before 1.0.2-10275 allows remote authenticated users to inject arbitrary web script or HTML via the malicious file name.

The bug was discovered 05/29/2018. The weakness was published 06/01/2018 (Website). The advisory is shared for download at synology.com. This vulnerability is handled as CVE-2018-8921 since 03/22/2018. The attack may be launched remotely. A simple authentication is needed for exploitation. 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 3 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.0.2-10275 eliminates this vulnerability.

Similar entry is available at VDB-118641. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Synology Inc.): 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Drive 1.0.2-10275

Timelineinfo

03/22/2018 🔍
05/29/2018 +68 days 🔍
06/01/2018 +2 days 🔍
06/01/2018 +0 days 🔍
06/02/2018 +1 days 🔍
10/17/2024 +2329 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_18_11
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-8921 (🔍)
GCVE (CVE): GCVE-0-2018-8921
GCVE (VulDB): GCVE-100-118640
See also: 🔍

Entryinfo

Created: 06/02/2018 10:33
Updated: 10/17/2024 19:22
Changes: 06/02/2018 10:33 (60), 02/11/2020 21:25 (2), 03/19/2023 14:35 (4), 03/19/2023 14:40 (12), 10/17/2024 19:22 (15)
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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