VDB-103331 · CVE-2017-2226 · BID 99334

Advance Preparation for e-Tax Software up to 1.17.1 Installer untrusted search path

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Advance Preparation for e-Tax Software up to 1.17.1. This affects an unknown function of the component Installer. The manipulation leads to untrusted search path. This vulnerability is documented as CVE-2017-2226. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Advance Preparation for e-Tax Software up to 1.17.1. This issue affects an unknown code of the component Installer. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Untrusted search path vulnerability in Setup file of advance preparation for e-Tax software (WEB version) (1.17.1) and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

The bug was discovered 06/28/2016. The weakness was released 07/07/2017 (Website). It is possible to read the advisory at jvn.jp. The identification of this vulnerability is CVE-2017-2226 since 12/01/2016. Attacking locally is a requirement. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 374 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 SecurityFocus (BID 99334†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Advance Preparation for e-Tax Software

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.8
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: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/28/2016 🔍
12/01/2016 +156 days 🔍
06/29/2017 +210 days 🔍
07/07/2017 +8 days 🔍
07/07/2017 +0 days 🔍
07/08/2017 +1 days 🔍
12/31/2020 +1272 days 🔍

Sourcesinfo

Advisory: jvn.jp
Researcher: BlackWingCat
Status: Not defined

CVE: CVE-2017-2226 (🔍)
GCVE (CVE): GCVE-0-2017-2226
GCVE (VulDB): GCVE-100-103331
SecurityFocus: 99334 - e-Tax software CVE-2017-2226 DLL Loading Remote Code Execution Vulnerability

Entryinfo

Created: 07/08/2017 17:01
Updated: 12/31/2020 11:45
Changes: 07/08/2017 17:01 (58), 10/24/2019 10:19 (3), 12/31/2020 11:45 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.