Synology Calendar up to 2.2.2 File Upload filename path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Synology Calendar up to 2.2.2 and classified as critical. The impacted element is an unknown function of the component File Upload. This manipulation of the argument filename as part of Parameter causes path traversal. This vulnerability is tracked as CVE-2018-13299. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Synology Calendar up to 2.2.2 (Calendar Software). It has been declared as critical. Affected by this vulnerability is an unknown part of the component File Upload. The manipulation of the argument filename as part of a Parameter leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Relative path traversal vulnerability in Attachment Uploader in Synology Calendar before 2.2.2-0532 allows remote authenticated users to upload arbitrary files via the filename parameter.

The weakness was disclosed 04/01/2019 (Website). It is possible to read the advisory at synology.com. This vulnerability is known as CVE-2018-13299 since 07/05/2018. The attack can be launched remotely. A single authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 2.2.2-0532 eliminates this vulnerability.

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

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (Synology Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: Calendar 2.2.2-0532

Timelineinfo

07/05/2018 🔍
04/01/2019 +270 days 🔍
04/01/2019 +0 days 🔍
08/21/2023 +1603 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_18_54
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-13299 (🔍)
GCVE (CVE): GCVE-0-2018-13299
GCVE (VulDB): GCVE-100-132667

Entryinfo

Created: 04/01/2019 22:42
Updated: 08/21/2023 09:12
Changes: 04/01/2019 22:42 (59), 05/23/2020 12:54 (1), 08/21/2023 09:09 (4), 08/21/2023 09:12 (12)
Complete: 🔍
Cache ID: 216::103

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