Soreco Xpert.Line 3.0 Windows API Call improper authentication

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Soreco Xpert.Line 3.0. Affected by this vulnerability is an unknown functionality of the component Windows API Call Handler. Such manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2015-3442. Local access is required to approach this attack. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Soreco Xpert.Line 3.0. It has been rated as problematic. Affected by this issue is an unknown part of the component Windows API Call Handler. 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. CVE summarizes:

Soreco Xpert.Line 3.0 allows local users to spoof users and consequently gain privileges by intercepting a Windows API call.

The bug was discovered 07/02/2015. The weakness was disclosed 09/07/2017 by Alessandro Zala and Andreas Hunkeler as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2015-3442 since 04/28/2015. The attack needs to be approached locally. A simple authentication is necessary for exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 798 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 75542†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Soreco

Name

• Xpert.Line

Version

• 3.0

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/28/2015 🔍
07/02/2015 +65 days 🔍
07/02/2015 +0 days 🔍
09/07/2017 +798 days 🔍
09/07/2017 +0 days 🔍
09/08/2017 +1 days 🔍
07/01/2024 +2488 days 🔍

Sourcesinfo

Advisory: 132549⛔
Researcher: Alessandro Zala, Andreas Hunkeler
Status: Not defined

CVE: CVE-2015-3442 (🔍)
GCVE (CVE): GCVE-0-2015-3442
GCVE (VulDB): GCVE-100-106172
SecurityFocus: 75542 - Xpert.Line CVE-2015-3442 Authentication Bypass Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/08/2017 09:04
Updated: 07/01/2024 02:08
Changes: 09/08/2017 09:04 (58), 11/13/2019 11:11 (7), 12/28/2022 07:20 (4), 07/01/2024 02:08 (22)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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