Local File Read in CandidATS 3.0.0 via XXE

6.5

Medium

Discovered by 

Carlos Bello

Offensive Team, Fluid Attacks

Summary

Full name

Local File Read in CandidATS 3.0.0 via XXE

Code name

State

Public

Release date

Oct 27, 2022

Affected product

CandidATS

Affected version(s)

Version 3.0.0

Vulnerability name

XML injection (XXE)

Vulnerability type

Remotely exploitable

Yes

CVSS v3.1 vector string

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

CVSS v3.1 base score

6.5

Exploit available

Yes

Description

CandidATS version 3.0.0 allows an external attacker to read arbitrary files from the server. This is possible because the application is vulnerable to XXE.

Vulnerability

The XXE present in CandidATS 3.0.0, allows an unauthenticated remote attacker to read arbitrary files from the server. To trigger this vulnerability, we will need to upload a malicious DOCX to the server.

Exploitation

In this attack we will be able to read arbitrary files from the server, through an XXE.

Our security policy

We have reserved the CVE-2022-42745 to refer to these issues from now on. Disclosure policy

System Information

  • Version: CandidATS 3.0.0

  • Operating System: GNU/Linux

Mitigation

There is currently no patch available for this vulnerability.

References

Timeline

Vulnerability discovered

Oct 11, 2022

Vendor contacted

Oct 11, 2022

Vendor replied

Oct 11, 2022

Public disclosure

Oct 27, 2022

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Fluid Attacks' solutions enable organizations to identify, prioritize, and remediate vulnerabilities in their software throughout the SDLC. Supported by AI, automated tools, and pentesters, Fluid Attacks accelerates companies' risk exposure mitigation and strengthens their cybersecurity posture.

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