VDB-130868 · CVE-2018-16190 · GCVE-0-2018-16190

UNARJ32.DLL/LHMelting/LMLzh32.DLL 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 labeled as problematic has been found in UNARJ32.DLL, LHMelting and LMLzh32.DLL. Affected by this issue is some unknown functionality of the component DLL Handler. Such manipulation leads to untrusted search path. This vulnerability is listed as CVE-2018-16190. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in UNARJ32.DLL, LHMelting and LMLzh32.DLL (the affected version unknown). It has been rated as problematic. Affected by this issue is an unknown part of the component DLL Handler. 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. CVE summarizes:

Untrusted search path vulnerability in UNARJ32.DLL for Win32, LHMelting for Win32, and LMLzh32.DLL (UNARJ32.DLL for Win32 Ver 1.10.1.25 and earlier, LHMelting for Win32 Ver 1.65.3.6 and earlier, LMLzh32.DLL Ver 2.67.1.2 and earlier) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

The bug was discovered 01/31/2019. The weakness was presented 02/13/2019 (Website). The advisory is shared for download at jvn.jp. This vulnerability is handled as CVE-2018-16190 since 08/30/2018. The attack needs to be approached locally. A simple authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.

The vulnerability was handled as a non-public zero-day exploit for at least 13 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.

See VDB-130867 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

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

08/30/2018 🔍
01/31/2019 +154 days 🔍
02/13/2019 +13 days 🔍
02/14/2019 +1 days 🔍
05/10/2020 +451 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2018-16190 (🔍)
GCVE (CVE): GCVE-0-2018-16190
GCVE (VulDB): GCVE-100-130868
See also: 🔍

Entryinfo

Created: 02/14/2019 10:49
Updated: 05/10/2020 14:09
Changes: 02/14/2019 10:49 (54), 05/10/2020 14:09 (2)
Complete: 🔍
Cache ID: 216::103