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kitploitKitPloitKITPLOIT:5857572574369273543
HistoryMar 31, 2020 - 12:47 a.m.

CVE-2020-0796 - CVE-2020-0796 Pre-Auth POC

2020-03-3100:47:00
www.kitploit.com
1161

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

10

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.974

Percentile

99.9%

JSON

© 2020 ZecOps, Inc. - <https://www.zecops.com> - Find Attackers’ Mistakes

POC to check for CVE-2020-0796 / “SMBGhost”
Expected outcome: Blue Screen
Intended only for educational and testing in corporate environments.
ZecOps takes no responsibility for the code, use at your own risk.
Please contact [email protected] if you are interested in agent-less DFIR tools for Servers, Endpoints, and Mobile Devices to detect SMBGhost and other types of attacks automatically.

Usage

CVE-2020-0796-POC.exe [&lt;TargetServer&gt;]

If &lt;TargetServer&gt; is omitted, the POC is executed on localhost (127.0.0.1).

Compiled POC

You can get the compiled POC here.

Compiling

Use Visual Studio to compile the following projects:

  1. ProtoSDK\Asn1Base\Asn1Base.csproj
  2. ProtoSDK\MS-XCA\Xca.csproj
  3. ProtoSDK\MS-SMB2\Smb2.sln

Use the resulting exe file to run the POC.

References

Download CVE-2020-0796-POC

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CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

10

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.974

Percentile

99.9%

JSON
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