VDB-117852 · CVE-2018-10027 · GCVE-0-2018-10027

ESTsoft ALZip up to 10.75 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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in ESTsoft ALZip up to 10.75. This impacts an unknown function of the component DLL Handler. The manipulation results in untrusted search path. This vulnerability is reported as CVE-2018-10027. The attack requires a local approach. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in ESTsoft ALZip up to 10.75. It has been classified as critical. Affected is an unknown function of the component DLL Handler. The manipulation with an unknown input leads to a untrusted search path vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

ESTsoft ALZip before 10.76 allows local users to execute arbitrary code via creating a malicious .DLL file and installing it in a specific directory: %PROGRAMFILES%\ESTsoft\ALZip\Formats, %PROGRAMFILES%\ESTsoft\ALZip\Coders, %PROGRAMFILES(X86)%\ESTsoft\ALZip\Formats, or %PROGRAMFILES(X86)%\ESTsoft\ALZip\Coders.

The bug was discovered 05/17/2018. The weakness was disclosed 05/17/2018 (Website). The advisory is shared for download at pastebin.com. This vulnerability is traded as CVE-2018-10027 since 04/11/2018. The attack needs to be approached locally. The successful exploitation requires a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.

Upgrading to version 10.76 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

ESTsoft

Name

ALZip

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: No

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: Upgrade
Status: 🔍
Upgrade: ALZip 10.76

Timelineinfo

04/11/2018 🔍
05/17/2018 +35 days 🔍
05/17/2018 +0 days 🔍
05/17/2018 +0 days 🔍
05/17/2018 +0 days 🔍
02/06/2020 +630 days 🔍

Sourcesinfo

Advisory: pastebin.com
Status: Not defined

CVE: CVE-2018-10027 (🔍)
GCVE (CVE): GCVE-0-2018-10027
GCVE (VulDB): GCVE-100-117852

Entryinfo

Created: 05/17/2018 22:22
Updated: 02/06/2020 11:29
Changes: 05/17/2018 22:22 (58), 02/06/2020 11:29 (1)
Complete: 🔍
Cache ID: 216::103