VDB-105761 · CVE-2017-7934 · BID 99059

OSIsoft PI Server prior 2017 improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in OSIsoft PI Server. It has been classified as critical. The impacted element is an unknown function. The manipulation leads to improper authentication. This vulnerability is documented as CVE-2017-7934. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OSIsoft PI Server. This issue affects an unknown code block. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Network Manager using older protocol versions contains a flaw that could allow a malicious user to authenticate with a server and then cause PI Network Manager to behave in an undefined manner.

The bug was discovered 06/13/2017. The weakness was released 08/25/2017 (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2017-7934 since 04/18/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 73 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2017 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99059†). Entry connected to this vulnerability is available at VDB-105760. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: PI Server 2017

Timelineinfo

04/18/2017 🔍
06/13/2017 +56 days 🔍
06/13/2017 +0 days 🔍
08/25/2017 +73 days 🔍
08/25/2017 +0 days 🔍
08/27/2017 +2 days 🔍
01/09/2020 +865 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2017-7934 (🔍)
GCVE (CVE): GCVE-0-2017-7934
GCVE (VulDB): GCVE-100-105761
SecurityFocus: 99059 - OSIsoft PI Server 2017 Multiple Authentication Bypass Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/27/2017 06:57
Updated: 01/09/2020 20:33
Changes: 08/27/2017 06:57 (62), 01/09/2020 20:33 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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