CVE-2018-20250

KEV
Published: Feb 05, 2019 Last Modified: Ott 31, 2025
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,8
Attack Vector: local
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,8
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9346
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Stable
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands Modify Files Or Directories Read Files Or Directories Dos: Crash, Exit, Or Restart
Applicable Platforms
Technologies: AI/ML
View CWE Details
36

Absolute Path Traversal

Draft
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands Modify Files Or Directories Read Files Or Directories Dos: Crash, Exit, Or Restart
Applicable Platforms
Technologies: AI/ML, Not Technology-Specific, Web Based
View CWE Details
Exploit

WinRAR 5.61 - Path Traversal

Verified

WinRAR 5.61 - Path Traversal

View Exploit Code →
Exploit

RARLAB WinRAR 5.61 - ACE Format Input Validation …

Verified Local

RARLAB WinRAR 5.61 - ACE Format Input Validation Remote Code Execution (Metasploit)

View Exploit Code →
Application

Winrar by Rarlab

Version Range Affected
To 5.61 (inclusive)
cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018…
http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Vali…
https://github.com/blau72/CVE-2018-20250-WinRAR-ACE
https://research.checkpoint.com/extracting-code-execution-from-winrar/
https://www.exploit-db.com/exploits/46552/
https://www.exploit-db.com/exploits/46756/
https://www.win-rar.com/whatsnew.html
http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace
http://www.securityfocus.com/bid/106948
http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Vali…
https://github.com/blau72/CVE-2018-20250-WinRAR-ACE
https://research.checkpoint.com/extracting-code-execution-from-winrar/
https://www.exploit-db.com/exploits/46552/
https://www.exploit-db.com/exploits/46756/
https://www.win-rar.com/whatsnew.html
http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace
http://www.securityfocus.com/bid/106948