CVE-2018-20250
WinRAR Absolute Path Traversal Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2018-20250
Description
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.
Severity
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Check Point Software Technologies Ltd. | WinRAR | All versions prior and including 5.61 |
References
8 Links- https://github.com/blau72/CVE-2018-20250-WinRAR-ACE
- https://research.checkpoint.com/extracting-code-execution-from-winrar/
- 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
Record Details
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