VDB-106857 · CVE-2017-6315 · EDB-ID 42726

Astaro Security Gateway 7 index.plx input validation

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Astaro Security Gateway 7. This vulnerability affects unknown code of the file index.plx. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2017-6315. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical has been found in Astaro Security Gateway 7. This affects some unknown functionality of the file index.plx. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Astaro Security Gateway (aka ASG) 7 allows remote attackers to execute arbitrary code via a crafted request to index.plx.

The bug was discovered 09/13/2017. The weakness was disclosed 09/19/2017 as EDB-ID 42726 as confirmed exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2017-6315 since 02/24/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed by Jakub Palaczynski in Python and been published before and not just after the advisory. The exploit is shared for download at exploit-db.com. It is declared as functional. The vulnerability was handled as a non-public zero-day exploit for at least 6 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 (42726). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Astaro

Name

Security Gateway

Version

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Functional
Author: Jakub Palaczynski
Programming Language: 🔍
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: 🔍

Timelineinfo

02/24/2017 🔍
09/13/2017 +201 days 🔍
09/13/2017 +0 days 🔍
09/13/2017 +0 days 🔍
09/19/2017 +6 days 🔍
09/19/2017 +0 days 🔍
09/20/2017 +1 days 🔍
06/15/2024 +2460 days 🔍