VDB-122182 · CVE-2018-1002205 · GCVE-0-2018-1002205

DotNetZip.Semvered up to 1.10.x Extraction ZIP Archive Zip-Slip path traversal

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in DotNetZip.Semvered up to 1.10.x and classified as critical. Impacted is an unknown function of the component Extraction. Executing a manipulation with the input ../ as part of ZIP Archive can lead to path traversal (Zip-Slip). This vulnerability is tracked as CVE-2018-1002205. The attack is restricted to local execution. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in DotNetZip.Semvered up to 1.10.x. It has been declared as problematic. This vulnerability affects an unknown code of the component Extraction. The manipulation with the input value ../ leads to a path traversal vulnerability (Zip-Slip). The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity, and availability. CVE summarizes:

DotNetZip.Semvered before 1.11.0 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

The bug was discovered 04/13/2018. The weakness was disclosed 07/25/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2018-1002205 since 07/25/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 103 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.11.0 eliminates this vulnerability.

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Productinfo

Name

DotNetZip.Semvered

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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

Name: Zip-Slip
Class: Path traversal / Zip-Slip
CWE: CWE-22
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DotNetZip.Semvered 1.11.0
Patch: github.com

Timelineinfo

04/13/2018 🔍
07/25/2018 +102 days 🔍
07/25/2018 +0 days 🔍
07/25/2018 +0 days 🔍
07/26/2018 +1 days 🔍
05/06/2025 +2476 days 🔍

Sourcesinfo

Advisory: 55d2c13c0cc64654e18fcdd0038fdb3d7458e366
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1002205 (🔍)
GCVE (CVE): GCVE-0-2018-1002205
GCVE (VulDB): GCVE-100-122182

Entryinfo

Created: 07/26/2018 07:45
Updated: 05/06/2025 19:56
Changes: 07/26/2018 07:45 (60), 03/10/2020 09:23 (2), 04/25/2023 15:52 (5), 04/25/2023 15:57 (1), 05/06/2025 19:56 (19)
Complete: 🔍
Cache ID: 216::103