high7.8Known exploitedPublic exploit code
CVE-2018-20250
WinRAR Absolute Path Traversal Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-02-15. Federal due date: 2022-08-15.
Apply updates per vendor instructions.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- RARLAB WinRAR 5.61 - ACE Format Input Validation Remote Code Execution (Metasploit)2019-04-25 · local · windows · Verified
- WinRAR 5.61 - Path Traversal2019-02-22 · local · windows · Verified
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Rarlab | Winrar | through 5.61 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html
- http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace
- http://www.securityfocus.com/bid/106948
- 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://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html
- http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace
- http://www.securityfocus.com/bid/106948
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20250