SolarWinds Serv-U MFT up to 15.1.6 Session Token entropy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in SolarWinds Serv-U MFT up to 15.1.6. It has been declared as critical. This vulnerability affects unknown code. Executing a manipulation as part of Session Token can lead to entropy. This vulnerability is tracked as CVE-2018-10240. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in SolarWinds Serv-U MFT up to 15.1.6 (File Transfer Software). This vulnerability affects some unknown processing. The manipulation as part of a Session Token leads to a entropy vulnerability. The CWE definition for the vulnerability is CWE-331. The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.

The bug was discovered 05/14/2018. The weakness was disclosed 05/16/2018 (Website). The advisory is available at bishopfox.com. This vulnerability was named CVE-2018-10240 since 04/20/2018. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

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.

Upgrading to version 15.1.6 HFv1 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
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: Entropy
CWE: CWE-331 / CWE-330 / CWE-310
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: Serv-U MFT 15.1.6 HFv1

Timelineinfo

04/20/2018 🔍
05/14/2018 +24 days 🔍
05/16/2018 +1 days 🔍
05/16/2018 +0 days 🔍
05/16/2018 +0 days 🔍
02/06/2020 +631 days 🔍

Sourcesinfo

Vendor: solarwinds.com

Advisory: bishopfox.com
Status: Not defined

CVE: CVE-2018-10240 (🔍)
GCVE (CVE): GCVE-0-2018-10240
GCVE (VulDB): GCVE-100-117802

Entryinfo

Created: 05/16/2018 22:21
Updated: 02/06/2020 06:31
Changes: 05/16/2018 22:21 (60), 02/06/2020 06:31 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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