Datto Backup Agent up to 1.0.6.0 Service Port 2556X Request information disclosure

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
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Datto Backup Agent up to 1.0.6.0. This vulnerability affects unknown code of the component Service Port 2556X. Such manipulation as part of Request leads to information disclosure. This vulnerability is traded as CVE-2017-16673. The attack may be launched remotely. There is no exploit available. Restrictive firewalling should be applied.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Datto Backup Agent up to 1.0.6.0 (Backup Software). Affected by this issue is some unknown functionality of the component Service Port 2556X. The manipulation as part of a Request leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Datto Backup Agent 1.0.6.0 and earlier does not authenticate incoming connections. This allows an attacker to impersonate a Datto Backup Appliance to "pair" with the agent and issue requests to this agent, if the attacker can reach the agent on TCP port 25566 or 25568, and send unspecified "specific information" by which the agent identifies a network device that is "appearing to be a valid Datto."

The bug was discovered 11/06/2017. The weakness was shared 11/09/2017 (Website). The advisory is shared for download at datto.com. This vulnerability is handled as CVE-2017-16673 since 11/08/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Addressing this vulnerability is possible by firewalling .

The entry VDB-109245 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2017 🔍
11/08/2017 +2 days 🔍
11/08/2017 +0 days 🔍
11/09/2017 +1 days 🔍
11/09/2017 +0 days 🔍
12/05/2019 +756 days 🔍

Sourcesinfo

Advisory: datto.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16673 (🔍)
GCVE (CVE): GCVE-0-2017-16673
GCVE (VulDB): GCVE-100-109244
See also: 🔍

Entryinfo

Created: 11/09/2017 08:31
Updated: 12/05/2019 11:12
Changes: 11/09/2017 08:31 (61), 12/05/2019 11:12 (2)
Complete: 🔍
Cache ID: 216::103

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