Published: 13/02/2019 Updated: 09/10/2019

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 605

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

In WinRAR versions prior to and including 5.60, There is an out-of-bounds write vulnerability during parsing of a crafted LHA / LZH archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.

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rarlab winrar

Script in PowerShell to detect vulnerable versions of WinRAR (related to ACE files) in a Windows domain.

WinRAR ACE vulnerability scanner for Domain Description: Script in PowerShell to detect vulnerable versions of WinRAR (related to ACE files) in a Windows domain CVEs: (CVE-2018-20250) (CVE-2018-20251) (CVE-2018-20252) (CVE-2018-20253) Considerations: Well configured WinRM on remote machines Well configured firewall rules Allow ping to remote machines from the Domain Control

CWE-787 https://www.win-rar.com/whatsnew.html https://research.checkpoint.com/extracting-code-execution-from-winrar/https://nvd.nist.gov https://github.com/v3nt4n1t0/DetectWinRARaceVulnDomain.ps1

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CVE-2018-20253

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