VDB-129024 · CVE-2018-5413 · EDB-ID 45130

Imperva SecureSphere 11.5/12.0/13.0 SSH Login Key access control

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Imperva SecureSphere 11.5/12.0/13.0. Impacted is an unknown function of the component SSH Login Key Handler. The manipulation results in access control. This vulnerability is cataloged as CVE-2018-5413. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Imperva SecureSphere 11.5/12.0/13.0. Affected is an unknown function of the component SSH Login Key Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Imperva SecureSphere running v13.0, v12.0, or v11.5 allows low privileged users to add SSH login keys to the admin user, resulting in privilege escalation.

The bug was discovered 10/08/2018. The weakness was shared 01/10/2019 as EDB-ID 45130 as not defined exploit (Exploit-DB). The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2018-5413 since 01/12/2018. It is possible to launch the attack remotely. The successful exploitation requires a authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 94 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45130). The entry VDB-129023 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Imperva

Name

SecureSphere

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

01/12/2018 🔍
10/08/2018 +269 days 🔍
01/10/2019 +94 days 🔍
01/10/2019 +0 days 🔍
01/10/2019 +0 days 🔍
01/10/2019 +0 days 🔍
01/11/2019 +1 days 🔍
04/28/2020 +473 days 🔍