CVE-2020-24772 — HIGH (8.8)

Vulnerability Description

In Dreamacro Clash for Windows v0.11.4, an attacker could embed a malicious iframe in a website with a crafted URL that would launch the Clash Windows client and force it to open a remote SMB share. Windows will perform NTLM authentication when opening the SMB share and that request can be relayed (using a tool like responder) for code execution (or captured for hash cracking).

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Clash Project	Clash	0.11.4

Related Weaknesses (CWE)

CWE-346

References

https://github.com/Dreamacro/clash/issues/910ExploitIssue TrackingThird Party Advisory
https://github.com/Dreamacro/clash/issues/910ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2020-24772?

CVE-2020-24772 is a vulnerability with a CVSS score of 8.8 (HIGH). In Dreamacro Clash for Windows v0.11.4, an attacker could embed a malicious iframe in a website with a crafted URL that would launch the Clash Windows client and force it to open a remote SMB share. W...

How severe is CVE-2020-24772?

CVE-2020-24772 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-24772?

Check the references section above for vendor advisories and patch information. Affected products include: Clash Project Clash.